URL:
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf01... 8yr old
Submission: On April 07 via api (April 7th 2026, 12:49:07 pm UTC) from US — Scanned from IL

Summary

This website contacted 28 IPs in 5 countries across 23 domains to perform 179 HTTP transactions. The main IP is 13.32.121.82, located in New York, United States and belongs to AMAZON-02 - Amazon.com, Inc., US. The main domain is champ.hackers.com. The Cisco Umbrella rank of the primary domain is 975786. 8yr old
TLS certificate: Issued by Amazon RSA 2048 M03 on July 24th 2025. Valid for: 1yr.
This is the only time champ.hackers.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
36 13.32.121.82 13.32.121.82 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
28 13.33.187.76 13.33.187.76 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
38 1.248.254.84 1.248.254.84 9318 (SKB-AS SK...) (SKB-AS SK Broadband Co Ltd)
8 142.251.14.190 142.251.14.190 15169 (GOOGLE) (GOOGLE - Google LLC)
9 99.84.152.22 99.84.152.22 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
2 142.251.141.78 142.251.141.78 15169 (GOOGLE) (GOOGLE - Google LLC)
1 2 142.251.110.156 142.251.110.156 15169 (GOOGLE) (GOOGLE - Google LLC)
1 142.251.13.149 142.251.13.149 15169 (GOOGLE) (GOOGLE - Google LLC)
1 142.251.110.94 142.251.110.94 15169 (GOOGLE) (GOOGLE - Google LLC)
1 142.251.20.119 142.251.20.119 15169 (GOOGLE) (GOOGLE - Google LLC)
1 142.251.150.119 142.251.150.119 15169 (GOOGLE) (GOOGLE - Google LLC)
1 18.245.60.129 18.245.60.129 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
12 39.125.94.20 39.125.94.20 9318 (SKB-AS SK...) (SKB-AS SK Broadband Co Ltd)
2 142.251.127.95 142.251.127.95 15169 (GOOGLE) (GOOGLE - Google LLC)
6 13.33.187.80 13.33.187.80 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
3 142.250.154.97 142.250.154.97 15169 (GOOGLE) (GOOGLE - Google LLC)
1 43.202.225.11 43.202.225.11 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 4 142.251.156.119 142.251.156.119 15169 (GOOGLE) (GOOGLE - Google LLC)
1 184.30.134.158 184.30.134.158 16625 (AKAMAI-AS) (AKAMAI-AS - Akamai Technologies)
1 178.250.1.39 178.250.1.39 44788 (ASN-CRITE...) (ASN-CRITEO-EUROPE Criteo Technology SAS)
1 43.202.244.3 43.202.244.3 16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 142.251.13.113 142.251.13.113 15169 (GOOGLE) (GOOGLE - Google LLC)
1 142.251.127.157 142.251.127.157 15169 (GOOGLE) (GOOGLE - Google LLC)
3 142.251.14.94 142.251.14.94 15169 (GOOGLE) (GOOGLE - Google LLC)
3 34.111.130.7 34.111.130.7 396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM - Google LLC)
2 178.250.1.12 178.250.1.12 44788 (ASN-CRITE...) (ASN-CRITEO-EUROPE Criteo Technology SAS)
1 142.251.110.154 142.251.110.154 15169 (GOOGLE) (GOOGLE - Google LLC)
179 28
Apex Domain
Subdomains
Transfer
64 hackers.com
champ.hackers.com — Cisco Umbrella Rank: 975786 8yr old
cdn.hackers.com 5yr old
837 KB
50 hackers.co.kr
gscdn.hackers.co.kr 8yr old
316 KB
16 hackers.ac
www.hackers.ac 8yr old
cdn.hackers.ac 3yr old
weblog.hackers.ac 8yr old
162 KB
10 youtube.com
www.youtube.com — Cisco Umbrella Rank: 80 10yr old
936 KB
6 google.com 1 redirects
www.google.com — Cisco Umbrella Rank: 3 13yr old
analytics.google.com — Cisco Umbrella Rank: 156 9yr old
23 KB
5 doubleclick.net 1 redirects
googleads.g.doubleclick.net — Cisco Umbrella Rank: 63 10yr old
static.doubleclick.net — Cisco Umbrella Rank: 228 9yr old
stats.g.doubleclick.net — Cisco Umbrella Rank: 167 10yr old
cm.g.doubleclick.net Failed 10yr old
4 KB
3 moloco.com
pixelfnt-us.dsp-api.moloco.com — Cisco Umbrella Rank: 2669 1yr old
2 KB
3 google.co.il
www.google.co.il — Cisco Umbrella Rank: 8154 9yr old
472 B
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 43 13yr old
477 KB
2 criteo.com
gum.criteo.com — Cisco Umbrella Rank: 472 10yr old
sslwidget.criteo.com Failed 13yr old
6 KB
2 googleapis.com
jnn-pa.googleapis.com — Cisco Umbrella Rank: 276 5yr old
312 B
1 criteo.net
static.criteo.net — Cisco Umbrella Rank: 844 13yr old
25 KB
1 widerplanet.com
cdn-aitg.widerplanet.com — Cisco Umbrella Rank: 105383 11yr old
astg.widerplanet.com Failed 13yr old
8 KB
1 beusable.net
rum.beusable.net — Cisco Umbrella Rank: 120702 10yr old
503 B
1 hackersut.com
cdn.hackersut.com 4yr old
551 B
1 ytimg.com
i.ytimg.com — Cisco Umbrella Rank: 106 10yr old
3 KB
1 gstatic.com
fonts.gstatic.com — Cisco Umbrella Rank: 27 10yr old
39 KB
0 taboola.com Failed
sync.taboola.com Failed 6yr old
0 pubmatic.com Failed
simage2.pubmatic.com Failed 10yr old
0 rubiconproject.com Failed
pixel.rubiconproject.com Failed 10yr old
0 kakao.com Failed
act.ds.kakao.com Failed 5yr old
0 casalemedia.com Failed
dsum-sec.casalemedia.com Failed — Cisco Umbrella Rank: 703 12yr old
0 onetag.co.kr Failed
cdn.onetag.co.kr Failed 2yr old
179 23
Domain Requested by
50 gscdn.hackers.co.kr champ.hackers.com
www.hackers.ac
36 champ.hackers.com champ.hackers.com
28 cdn.hackers.com champ.hackers.com
10 www.youtube.com champ.hackers.com
www.youtube.com
9 www.hackers.ac champ.hackers.com
www.hackers.ac
6 cdn.hackers.ac www.hackers.ac
5 www.google.com 1 redirects www.youtube.com
www.googletagmanager.com
3 pixelfnt-us.dsp-api.moloco.com cdn-aitg.widerplanet.com
3 www.google.co.il
3 www.googletagmanager.com champ.hackers.com
www.googletagmanager.com
3 googleads.g.doubleclick.net 1 redirects www.youtube.com
www.googletagmanager.com
2 gum.criteo.com static.criteo.net
gum.criteo.com
2 jnn-pa.googleapis.com www.youtube.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 analytics.google.com www.googletagmanager.com
1 weblog.hackers.ac
1 static.criteo.net www.googletagmanager.com
1 cdn-aitg.widerplanet.com www.googletagmanager.com
1 rum.beusable.net champ.hackers.com
1 cdn.hackersut.com www.hackers.ac
1 i.ytimg.com www.youtube.com
1 fonts.gstatic.com www.youtube.com
1 static.doubleclick.net www.youtube.com
0 sslwidget.criteo.com Failed static.criteo.net
0 sync.taboola.com Failed pixelfnt-us.dsp-api.moloco.com
0 simage2.pubmatic.com Failed pixelfnt-us.dsp-api.moloco.com
0 pixel.rubiconproject.com Failed pixelfnt-us.dsp-api.moloco.com
0 act.ds.kakao.com Failed pixelfnt-us.dsp-api.moloco.com
0 dsum-sec.casalemedia.com Failed pixelfnt-us.dsp-api.moloco.com
0 cm.g.doubleclick.net Failed pixelfnt-us.dsp-api.moloco.com
0 cdn.onetag.co.kr Failed www.googletagmanager.com
0 astg.widerplanet.com Failed cdn-aitg.widerplanet.com
179 32
Subject Issuer Validity Valid
*.hackers.com
Amazon RSA 2048 M03
2025-07-24 -
2026-08-21
1yr crt.sh
gscdn.hackers.co.kr
RapidSSL TLS RSA CA G1
2026-02-25 -
2026-09-11
7mo crt.sh
*.google.com
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
*.hackers.ac
Amazon RSA 2048 M01
2026-01-12 -
2027-02-10
1yr crt.sh
*.doubleclick.net
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
*.gstatic.com
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
edgestatic.com
WR2
2026-03-16 -
2026-06-08
3mo crt.sh
*.hackersut.com
Amazon RSA 2048 M04
2025-07-30 -
2026-08-27
1yr crt.sh
upload.video.google.com
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
*.google-analytics.com
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
beusable.net
Amazon ECDSA 256 M04
2025-11-13 -
2026-12-12
1yr crt.sh
cdn-aitg.widerplanet.com
GeoTrust TLS RSA CA G1
2025-08-06 -
2026-08-05
1yr crt.sh
*.criteo.net
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2026-03-09 -
2026-06-05
3mo crt.sh
*.g.doubleclick.net
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
*.google.co.il
WE2
2026-03-16 -
2026-06-08
3mo crt.sh
*.dsp-api.moloco.com
Sectigo RSA Domain Validation Secure Server CA
2025-05-20 -
2026-06-20
1yr crt.sh
*.criteo.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2026-03-26 -
2026-06-26
3mo crt.sh

This page contains 6 frames:

Primary Page: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Frame ID: 09808AD0D4F62E4A499467DD703DD60B
Requests: 125 HTTP requests in this frame

Frame: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Frame ID: 8B97E696D780DADFB315145B3D4325F3
Requests: 14 HTTP requests in this frame

Frame: https://www.hackers.ac/site/foot_link_2016.php
Frame ID: 93344420C25699E91A64060952ECBAC1
Requests: 28 HTTP requests in this frame

Frame: https://pixelfnt-us.dsp-api.moloco.com/v1/cm/init?source=MOLOCO_PIXEL?mlc_cm
Frame ID: F3CD9E9E199170F3BFF6B0879BC64074
Requests: 7 HTTP requests in this frame

Frame: https://astg.widerplanet.com/delivery/storage
Frame ID: 27A113F3415109662E216B43839BA364
Requests: 1 HTTP requests in this frame

Frame: https://gum.criteo.com/syncframe?topUrl=champ.hackers.com&origin=onetag
Frame ID: 762219D9518042B8D847656E51908E74
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

토익인강1위 해커스 챔프스터디

Detected technologies

(Photo galleries)
Overall confidence: 100%
Detected patterns
  • bxslider(?:\.min)?\.js(?:\?ver=((?:\d+\.)+\d+))?

(UI frameworks)
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>-]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

(Video players)
Overall confidence: 100%
Detected patterns
  • \.youtube\.com/

(Advertising)
Overall confidence: 100%
Detected patterns
  • //static\.criteo\.net/js/ld/ld\.js

(Advertising)
Overall confidence: 100%
Detected patterns
  • \.doubleclick\.net

(Font scripts)
Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

(Analytics)
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

(Tag managers)
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • \.googletagmanager\.com/

(JavaScript libraries)
Overall confidence: 100%
Detected patterns
  • jquery
  • /jquery(?:-(\d+\.\d+\.\d+))[/.-]
  • /(\d+\.\d+\.\d+)/jquery(?!\.popupoverlay\.js)[/.-][^u]

(Analytics)
Overall confidence: 100%
Detected patterns
  • \.beusable\.net/

(Advertising)
Overall confidence: 100%
Detected patterns
  • \.widerplanet\.com/

Page Statistics

179
Requests

93 %
HTTPS

0 %
IPv6

23
Domains

32
Subdomains

28
IPs

5
Countries

2839 kB
Transfer

8170 kB
Size

26
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 85
  • https://googleads.g.doubleclick.net/pagead/id HTTP 302
  • https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
Request Chain 156
  • https://www.google.com/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&gcp=5 HTTP 302
  • https://www.google.co.il/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&gcp=5&ipr=y
Request Chain 159
  • https://dsum-sec.casalemedia.com/rum?cm_dsp_id=19&external_user_id=a4a70fef-6337-4931-ad75-4e9c6b4800fa HTTP 302
  • https://dsum-sec.casalemedia.com/rum?cm_dsp_id=19&external_user_id=a4a70fef-6337-4931-ad75-4e9c6b4800fa&C=1

179 HTTP transactions
0 data transactions

Method
Protocol
Status Resource
Path
Size
x-fer
Time
Latency
Type
MIME-Type
IP
Location
GET
H2
200
Primary Request / Show response
champ.hackers.com/
787 KB
67 KB
1535ms
1212ms
Document
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
970f8220bc5ee67c7c7fb1c4a39f28000cb10177cd62a7c483cbe7be781bd22c

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
content-type
text/html;charset=utf-8
date
Tue, 07 Apr 2026 12:49:08 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
pragma
no-cache
server
Apache
vary
Accept-Encoding
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
x-amz-cf-id
FjpEz33Eb7YBZyFJ8acQEcPea6WOiEHYpJVSAt_C3FxACoUIec4LUg==
x-amz-cf-pop
FRA60-P1
x-cache
Miss from cloudfront
GET
H2
200
common.css
champ.hackers.com/layouts/champstudy/_css/
147 KB
28 KB
981ms
977ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
7bdb52ff203a9b9283cd20a00c57a120bb20000876a49bb6f1478d60d745b6b7

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"24d49-64c54e26051e1-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
28761
x-amz-cf-id
UVuE0gDC2IGCRq9qISVWA-6gUTZFukTu7NQ2h-lUOk8UFBsuRGSW7A==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Fri, 06 Mar 2026 06:08:39 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
bxslider.css
champ.hackers.com/layouts/champstudy/_css/
4 KB
1 KB
913ms
910ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_css/bxslider.css?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
4878125186b2e2d1323a01f3019e6a066edd506774910380bbcec3058f471baa

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"e3a-5979a8bb1db00-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1097
x-amz-cf-id
7OiRLwlfxbVnnyrWDG3knH3dUJe0T6rxX5MaBk0NLYyuU-AyxjViPw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Mon, 18 Nov 2019 08:15:08 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
sub.css
champ.hackers.com/layouts/champstudy/_css/
149 KB
27 KB
922ms
919ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_css/sub.css?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
b7f88d07ec9b1f28ed49a228d31d127753d984df969746a7be6b91617e699146

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"25516-64e34ba4bc5d7-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
27338
x-amz-cf-id
ctMBnZN3eTRDkCCWfRjK87CnoFYfGpLyCw2qIvTKGwR3WxReGnL_5w==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Mon, 30 Mar 2026 02:37:11 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
pay_gg.css
champ.hackers.com/layouts/champstudy/_css/
12 KB
3 KB
923ms
920ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_css/pay_gg.css?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
f90821ec483da5aac4b3ef14a53fabf7d164fdff0ccd412a52ecc6025e1b6dc1

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"2e31-63fa8fcc93f06-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
2444
x-amz-cf-id
HNtXB_b-2rvShSbAUAcjTWFoaPkLZQVL8zQb8ewtCyjl10oFrOnGXQ==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Fri, 26 Sep 2025 00:01:28 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
hackerstools.latest.min.js Show response
champ.hackers.com/_core/js/
21 KB
10 KB
949ms
946ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/_core/js/hackerstools.latest.min.js
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
f7297c9812ab0848156098eee238df04c2de0684cfbacd1bc9ca39d6bf963017

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"52c8-5363f5296b000-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
9614
x-amz-cf-id
mkre6s2Y-MG4ciVFJs1fS_IsEQTjqcrWpXqAk5u4PyNcOwcIWJ5KpA==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Mon, 27 Jun 2016 09:41:20 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
jquery-1.11.2.min.js Show response
champ.hackers.com/plugins/jquery/1.11.2/
94 KB
33 KB
931ms
929ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
2ecd295d295bec062cedebe177e54b9d6b19fc0a841dc5c178c654c9ccff09c0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"176bb-534ab74c9fdc0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
33217
x-amz-cf-id
aTFczERWlPcLbOjVuZ4J_dzKSPGLHDLephY3iQY7p26us0VoiKtkEw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Tue, 07 Jun 2016 07:51:27 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
jquery.bxslider.min.js Show response
champ.hackers.com/plugins/jquery-bxslider/4.1.2/
23 KB
6 KB
964ms
962ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/jquery-bxslider/4.1.2/jquery.bxslider.min.js?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
55f6f0a221a6ce0603c43300487480e8e7c27d9e11fa9b42ce747d897c51352a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"5de1-63d626d5fe5a7-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
6106
x-amz-cf-id
6DgU9OE8TQy4Jygao6aPnyVjnvRmISOUpvSFGD3O85R44KMy7oDkfw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Thu, 28 Aug 2025 01:00:11 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
font-awesome.css
champ.hackers.com/plugins/font-awesome/4.7.0/css/
37 KB
7 KB
936ms
934ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/font-awesome/4.7.0/css/font-awesome.css?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
57a2c0885ec9c5de59b91f7efe97ea1ece46d0ae75d7418aba9802a7af24f2ba

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"9224-58fe5e113b080-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
7298
x-amz-cf-id
vkATEWKMLi1KzbHTtVQ-eu_qD0-W37ELEfiEd83S5QuAI0bUxt9Xfw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Mon, 12 Aug 2019 06:46:10 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
datepicker3.css
champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/css/
34 KB
3 KB
917ms
915ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/css/datepicker3.css?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
a5b2a4cc2038a4cba8ab4cd1178541cd4f2074aa8e41364ac3ace40baafec656

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"86be-534ab74c9fdc0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
3027
x-amz-cf-id
GQHHDG2PRFQrY_1HXbmZ-Q8fHHVS4pBDm662h6HVwLSIe2nduQeNqQ==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Tue, 07 Jun 2016 07:51:27 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
bootstrap-datepicker.js Show response
champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/js/
47 KB
12 KB
1043ms
1041ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/js/bootstrap-datepicker.js?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
68dc28c248d924c08a3858a30840ea7592bddd4e305ea1c93cad9d504ed7772c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"bd6c-534ab74c9fdc0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
12066
x-amz-cf-id
5r4zIhZeTyy-qAJwRzy-kmS5ydAEo2tX0ZOsNfWQYhMVZTWkC8Ou3g==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Tue, 07 Jun 2016 07:51:27 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
bootstrap-datepicker.kr.js Show response
champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/js/locales/
650 B
651 B
1045ms
1043ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/plugins/bootstrap-datepicker/1.3.0/js/locales/bootstrap-datepicker.kr.js?ver=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
d036f9a23a243a5e28c7bd7bdf163b5fcfeb2539bf2abb58ecd602e958095038

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"28a-534ab74c9fdc0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
297
x-amz-cf-id
eg-pMkkIGGthY4z125-9iHK7YRnnYsjMKMKLfiCsUR6l1OYmp54hJw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Tue, 07 Jun 2016 07:51:27 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
sys.js Show response
champ.hackers.com/_core/js/
15 KB
5 KB
1036ms
1034ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/_core/js/sys.js?c=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
4ed215ffdb57c44dcce58af8a16542d502f398c1612c48466f9a3e75effe6cc6

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"3bbe-63f8156d5db87-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
5230
x-amz-cf-id
X7Gj4-PqYNJlkVK6ZTBu5ln-5xJAZyU-ts6dkacP2lpgL4W501SZ9Q==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Wed, 24 Sep 2025 00:43:20 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
_main.css
champ.hackers.com/modules/lecture/
2 KB
1004 B
899ms
898ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/modules/lecture/_main.css?c=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
6049dbd3aa942bcb86129715f3bfdd0e7da4aa4c900013bcb706ea011ba6cd7c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"701-56f814f552e00-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
659
x-amz-cf-id
FonEew9AS6Z_fhDUrrxXbOCkjGq4nw0UgpSqvsuRl7mSTrEMkD3cMQ==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
text/css
last-modified
Tue, 26 Jun 2018 01:20:56 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
_main.js Show response
champ.hackers.com/modules/lecture/
2 KB
1 KB
1036ms
1034ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/modules/lecture/_main.js?c=20211103
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
1b89b38291e6d0b3193af4d33c60b4bbc272def4dd2ebd0ec4a11eb76010858a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"8de-56f7398cc47c0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
814
x-amz-cf-id
eGY6oazc_nk4oQsahROtEwUg9Y7VROrolLgAW3HGwJb-OiwPTTILfw==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Mon, 25 Jun 2018 08:59:19 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
jquery.lazyload.js Show response
champ.hackers.com/layouts/common/_js/
9 KB
3 KB
1003ms
1002ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/common/_js/jquery.lazyload.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
4cd6256352fe36be9d084d9342ad50c1efdd41fe43a1b8abd2679088ff5277eb

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"232b-58cadd7e6a0c0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
2289
x-amz-cf-id
tXrXmIeCXDjSktnoSJeRBT0QCzivIEkuA7VOU-1tA240HeDnqstkeg==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Tue, 02 Jul 2019 07:39:23 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
jquery.appear.0.3.3.min.js Show response
champ.hackers.com/layouts/common/_js/
2 KB
2 KB
1015ms
1014ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/common/_js/jquery.appear.0.3.3.min.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
e80483708d277aa170f8aaf2820397fff86aab21393b716cc0489deabd2c41c5

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"8b2-5b3e0a2630d80-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1233
x-amz-cf-id
gJdRpNLXlVNjkP6eHGyBHq81akcFkgoUFUoBdzlDSRL4xWHypNEQnQ==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Thu, 12 Nov 2020 03:37:42 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
script.js Show response
champ.hackers.com/layouts/champstudy/_js/
2 KB
1 KB
1019ms
1017ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_js/script.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
77c03f34430968b6aa3b4cf55628f5712314d6b8b5a2800278110560f6899a1a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"943-636cb2c73e845-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1026
x-amz-cf-id
YvKVzGITbCODEHstbTOIGgf5-bqP0iI_MN_0nMQoZUZKZoMYmBDXlA==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Thu, 05 Jun 2025 04:01:52 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
bxslider.js Show response
champ.hackers.com/layouts/champstudy/_js/
19 KB
6 KB
1012ms
1011ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_js/bxslider.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
9f883ee9076505976126270f3f6e51066d1ed6ed4e7f9f2195eb932d06ceae90

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"4b1b-63f6ca443fdc1-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
5526
x-amz-cf-id
eG0HjgEj5QYMMe7adSqxgQ4qundPVaknJPQElac83Km3CDcBMk2SEg==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Tue, 23 Sep 2025 00:01:45 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
modules.min.js Show response
champ.hackers.com/layouts/default/_js/
22 KB
5 KB
1023ms
1022ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/default/_js/modules.min.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
30b310d6abf2a08cbc0da937c64cf46e51599de56fe31ecbf472e6e695731faf

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"56c9-568fc236dd0c0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
4799
x-amz-cf-id
CnLRLoeLmaYIodYkFC8c5gPMjcx5Pquf6mlOE-5-m1_oDh7NCo6U9Q==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Wed, 04 Apr 2018 01:56:59 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
hackers_ui.js Show response
champ.hackers.com/layouts/champstudy/_js/
44 KB
11 KB
987ms
986ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/champstudy/_js/hackers_ui.js?ver=1775566148
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
429c2f29d67904d2b8c86373b2d4b2252677b18d58e1cdff6b426b50211765eb

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"af2d-64e8a2e63188f-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
10789
x-amz-cf-id
sWhMN0h1A94NNN_DDKYGUR98fixuN4aodTtbzTgkejHsP9RCPvvaBg==
date
Tue, 07 Apr 2026 12:49:09 GMT
content-type
application/javascript
last-modified
Fri, 03 Apr 2026 08:34:10 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
15580715347941%ED%8E%98%EB%B6%81off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
643 B
1 KB
457ms
140ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580715347941%ED%8E%98%EB%B6%81off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
d4c872d97fb2674482506c38f71f8c988149397a358849099ff1d0c05cb1399a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
xWLsDwzBkMRWXPlaa3iSDjI63KFciZe1
etag
"76770c12c0a029849129b7308656f9fc"
age
1530
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
643
x-amz-cf-id
QnQlwh6Meem_QJZKqIwDTIQv3j8q3_3D-JFin4kn7wlTjwxhteeacw==
date
Tue, 07 Apr 2026 12:23:39 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580716703492%ED%8A%B8%EC%9C%84%ED%84%B0off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
897 B
1 KB
461ms
144ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580716703492%ED%8A%B8%EC%9C%84%ED%84%B0off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
f7e211781427a50406c11dd7e893cb1e64cef5a0b1809006e42d001105e4bdd0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
1DrqvHqe2IuAWxVmH77GffqLhxPWJD0f
etag
"bb880aae32519f410928c012285d0cbe"
age
1530
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
897
x-amz-cf-id
OgZ4oUAUmV5_qEbfEBd8jTqwbLr0Repu1NyXL1_1gBDmrD9Vg9DQXg==
date
Tue, 07 Apr 2026 12:23:39 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580717210273%EC%9C%A0%ED%88%AC%EB%B8%8Coff.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
1 KB
1 KB
141ms
141ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580717210273%EC%9C%A0%ED%88%AC%EB%B8%8Coff.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
3ce69e0d0404301bc9e852165648ce39b837cf3213a7dca5007d8955e1060b1e

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
.X_vI4vGIE5VzRa16_Xfp2dIGKRt0tXF
etag
"e7bc518395bcdef27ad9623fbb7f1787"
age
1530
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1041
x-amz-cf-id
lyiPUYgrseW2xO36_NzDkvrEMVVw4H6OLA85YKCvU-vZdhHUTrpSww==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580717423174%EC%9D%B8%EC%8A%A4%ED%83%80off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
895 B
1 KB
140ms
140ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580717423174%EC%9D%B8%EC%8A%A4%ED%83%80off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
d1589601e6c2bc257a6ebabf7e41c64a8e1be382be12a012f0927ad0478e4dde

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
CzqGI9R4yIc_J9.1rBJ32NemcF2dxglK
etag
"a955419442ec419b9714292250fed064"
age
1530
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
895
x-amz-cf-id
50Sd_wNZkwC1lDAEPMIFMcEXPVXL9LHxDWg5bqqu031lZle8nzUzhA==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580717669605tv%ED%8C%9Foff.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
861 B
1 KB
141ms
141ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580717669605tv%ED%8C%9Foff.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
29ca685fc06fa289ed544850f647b4a3f38c75ac5df43c78684396a1a0d5233b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
M6XY_mhmQjapcIkS1mkcTbGE9CM3wpO0
etag
"c79e318ba7ca6f7465c4386282c3ee0d"
age
1530
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
861
x-amz-cf-id
EyTzadsWJB-8Lt0VOn2Bq8z-iF6HJaGC7xPsLdDmLeVXuzB8CzSjdA==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580717884626%EC%B9%B4%ED%86%A1off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
1 KB
1 KB
146ms
142ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580717884626%EC%B9%B4%ED%86%A1off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
bde7bf260c14e124506dbaa01be02ab9bad84d5d38050783de3681b2c1915213

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
_JBG1r6mbqlpg7t9sqcMCBYG_H40rmYA
etag
"95591588dccdeb5ca19141bbd678f4a0"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1089
x-amz-cf-id
I-V8y2ReJm7O4KrIAKzRTSSvmDT0HXg9oo_Ik26-d4nuo7dy8BaM2g==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580718061157%ED%8F%AC%EC%8A%A4%ED%8A%B8_off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
1014 B
1 KB
151ms
148ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580718061157%ED%8F%AC%EC%8A%A4%ED%8A%B8_off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
68845372c5ad39dbdcd7279485a35a519a18115dd94acfd8643d1debceec0140

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
UxfeqKxh4uM_RUuPLJtEd7wJjCl_XdqI
etag
"beb24d2b33155de9d5c777732c5e8014"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1014
x-amz-cf-id
j0165Eyh31WaY8xcb8l5hgvraWmyDsMp9095S7Fbu4XHE-a4fCM2pw==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580718241748%EB%B8%94%EB%A1%9C%EA%B7%B8_off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
1 KB
2 KB
151ms
148ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580718241748%EB%B8%94%EB%A1%9C%EA%B7%B8_off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
39e747d749436b0859c22ee5fc4a2a0752a44e80eee78878e6638a6a29c532f2

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
16BtE3eRr3UUcgW9DpBbXGhKedvbkUF8
etag
"7c4d14e47a66f119ca6643bf06eb4bac"
age
289
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1143
x-amz-cf-id
xZQzJ2lXw2Dk0timwdt4YckkKgMTP-OKpXBlZ9oQvKHGZVVg7xSm7g==
date
Tue, 07 Apr 2026 12:44:22 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
15580718421019%EC%B9%B4%EC%8A%A4_off.png
cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/
667 B
1 KB
188ms
184ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hac-images/user/uploads/lnbSNSImage/15580718421019%EC%B9%B4%EC%8A%A4_off.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
09b7583c16dbae4dbe33b163a976b216c4e63a291bb8120de4b79be07fd6ac46

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding, Origin
x-amz-version-id
KF4yeUnTtE8221rxHomb45G4N1it4NLz
etag
"7d194e7735cd6614d8ffd3a536895f61"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
667
x-amz-cf-id
yCsCNwiEeDqj-Gl3YxF9aH0oO0agmsFNnd6cTkGUCD5ZuC9ScgdWkw==
date
Tue, 07 Apr 2026 12:23:40 GMT
content-type
image/png
last-modified
Mon, 25 Mar 2024 02:14:22 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
close_icon.jpg
gscdn.hackers.co.kr/hackers/images/layout/main/gate/
544 B
680 B
2414ms
1432ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hackers/images/layout/main/gate/close_icon.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
469f7a56289ae1ac9d73377d0129e47392818e7615315817d59a9a40cfee31a0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5db115e6-220"
age
100848
accept-ranges
bytes
content-length
544
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Thu, 24 Oct 2019 03:09:26 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
top_bnr01.jpg
cdn.hackers.com/hackersingang/champ/img/main/v25/
86 KB
87 KB
188ms
185ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v25/top_bnr01.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
23c18303f2f8f2d957e3378c6715170a8f3e8afb50e2772aead303423a6b3a81

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
kT_ZsZtqcFXMIHCEFk2EIQOLpABDVgWb
etag
"cb9dfb173eedd8a83cf07bee81062b4c"
age
1595
x-cache
Hit from cloudfront
x-amz-cf-id
6eAsqdse6dhXddksnb_BPymuoQ8yG6eITEurO2AWTE5w8iWhj8BsQw==
date
Tue, 07 Apr 2026 12:23:39 GMT
content-type
image/jpeg
vary
Accept-Encoding
last-modified
Mon, 23 Mar 2026 00:12:09 GMT
x-amz-meta-content-type
image/jpeg
content-disposition
inline; filename*=UTF-8''top_bnr01.jpg
x-amz-meta-upload-time
2026-03-23T09:12:08.716Z
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
88397
x-amz-meta-original-filename
top_bnr01.jpg
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-meta-uploader
hyewon4170
x-amz-server-side-encryption
AES256
GET
H2
200
blank.png
gscdn.hackers.co.kr/champ/
110 B
243 B
2252ms
1271ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/blank.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6f064b11007507ecebb88b25c6b21a41e51189b079c5a30342c8dc8950019c0c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5af2b177-6e"
age
76222
accept-ranges
bytes
content-length
110
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 09 May 2018 08:29:43 GMT
content-type
image/png
server
nginx
GET
H2
200
main_header_220217_v2.gif
gscdn.hackers.co.kr/champ/img/common/
2 KB
2 KB
2276ms
1294ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/main_header_220217_v2.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
9471a83f9482386c48c665a4aaebe3b885d81587303286780492d31f151ed7e8

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"620d877d-728"
age
114754
accept-ranges
bytes
content-length
1832
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 16 Feb 2022 23:23:41 GMT
content-type
image/gif
server
nginx
GET
H2
200
close_btn.gif
gscdn.hackers.co.kr/champ/img/common/
1 KB
1 KB
1338ms
356ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/close_btn.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
4662cb5ce6a559113cf5f4ca116cd89df2bef192fd6452066d6048e7d1803e88

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5a12897e-4b2"
age
135175
accept-ranges
bytes
content-length
1202
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 20 Nov 2017 07:51:26 GMT
content-type
image/gif
server
nginx
GET
H2
200
quick_bnr_25602.png
cdn.hackers.com/hackersingang/champ/files/main/images/banner/v4/
7 KB
7 KB
332ms
330ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/main/images/banner/v4/quick_bnr_25602.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
2bef7be85061e6433f2d1180604f53b0a3af0ba04522f0e8da8368059777e1b5

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
W4FXV9an.CboUjttz0RFsdWWf4iOKfIM
etag
"bcdd004be7b0dea8c5d7e1e0c18caf7f"
age
1595
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
6752
x-amz-cf-id
PL4YxEvJjV5QPPUvWunRlEvS59QkErxE82EpjGvQE6Jp1Kozgs9vIQ==
date
Tue, 07 Apr 2026 12:22:36 GMT
content-type
image/png
last-modified
Mon, 02 Jun 2025 00:21:59 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
blank.gif
gscdn.hackers.co.kr/champ/
43 B
176 B
1338ms
357ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/blank.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
b1442e85b03bdcaf66dc58c7abb98745dd2687d86350be9a298a1d9382ac849b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f28ef94-2b"
age
19145
accept-ranges
bytes
content-length
43
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Tue, 04 Aug 2020 05:18:12 GMT
content-type
image/gif
server
nginx
GET
H2
200
ico_myclass.png
cdn.hackers.com/hackersingang/champ/img/main/v19/
2 KB
2 KB
335ms
333ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v19/ico_myclass.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
7bbdd03e677ff143c6b3202591c0afa4498e5095b4f4e17b52bf7d0988873542

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
0d1ytvbIvPqX_AAbYC.MW7X2bC0VrLUE
etag
"e4dc77218c8f7821665c1ba2b3ad81bd"
age
1595
x-cache
Hit from cloudfront
x-amz-cf-id
7UvXtlfV-DgAWjsz1oBDypI9lHgfehcoGSom3jEtwJycmPeauw_qzw==
date
Tue, 07 Apr 2026 12:22:36 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Mon, 07 Jul 2025 05:17:23 GMT
content-disposition
inline; filename="ico_myclass.png"
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
1627
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
new.png
cdn.hackers.com/hackersingang/champ/img/main/v25/
921 B
1 KB
332ms
330ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v25/new.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
7c591bae00e37325bd1b0f3fa9d25caf6138fa5405072bd7d7387d782c8ac976

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
hmlt4gFU1zAS3nQgEgQeo1hxvrOtVQhX
etag
"4061234926f70ec612be30993e9d7d95"
age
1595
x-cache
Hit from cloudfront
x-amz-cf-id
6yu6guhFSiMy_rlLjwF4CKheYOliqqVr-OMTZNOZvhBFePiK5TJGZA==
date
Tue, 07 Apr 2026 12:22:36 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Fri, 06 Mar 2026 04:21:07 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''new.png
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
921
x-amz-meta-original-filename
new.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
test_ai.png
cdn.hackers.com/hackersingang/champ/img/main/v25/
2 KB
3 KB
337ms
335ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v25/test_ai.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
d2d9d834376aecdba59a71e785e87f01a40cd5d7f77048ed1ef04c8a862c19b5

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
F7.HSr6qGcl6XkqX_W6RidmC_0OlpzIn
etag
"6cff20727f60e0a251e04707584dfe36"
age
1595
x-cache
Hit from cloudfront
x-amz-cf-id
ZG6YIQzHHZJudNRwgYUqmqDSQza5LD0DevV1ezuM2fKEWsbmwRlLQA==
date
Tue, 07 Apr 2026 12:22:36 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Fri, 06 Mar 2026 04:21:07 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''test_ai.png
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
2143
x-amz-meta-original-filename
test_ai.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
1c1dbb8347fdd2352991dbc1b46666e0.gif
champ.hackers.com/files/site/menu/champstudy/
2 KB
2 KB
407ms
406ms
Image
image/gif
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/files/site/menu/champstudy/1c1dbb8347fdd2352991dbc1b46666e0.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
cebd9ab4033bc3c5517c2d9b4514a82129e84ecedd651d89bdb64a1baca9234b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"69c-53472a672a2c0"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1692
x-amz-cf-id
nllB5vcBntPrAcszXZHwgVMoQTAMISHDvGQD3ue2Zy86hSgJ7jF51A==
date
Tue, 07 Apr 2026 12:49:10 GMT
content-type
image/gif
last-modified
Sat, 04 Jun 2016 12:05:07 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
champ_toeic_test_150x150.png
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
6 KB
7 KB
342ms
341ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/champ_toeic_test_150x150.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
cb666e58608e0129bb01affb8df5c1b455a10a4caad95fa5ab511b74176de1ee

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
ek1VuMM1cUtp5stuAuY6npk22zTLB6c4
etag
"ed11cc449bc9960b6f2e761506a1f870"
age
1353
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
6246
x-amz-cf-id
Jvwmx2xvKRqAqKYvLlUhlZz6yHyvqqt-rclpQIyVUiiDE6OUJpwYJA==
date
Tue, 07 Apr 2026 12:26:37 GMT
content-type
image/png
last-modified
Fri, 23 Feb 2024 07:23:56 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
champ_2nd_russian_promotion_248x248.jpg
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/
17 KB
17 KB
2512ms
1532ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_2nd_russian_promotion_248x248.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
92df0c516fe6df2b852ab5016fea621ed97dc51aec0215e8de8653413507674b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5c7f7e61-4510"
age
39577
accept-ranges
bytes
content-length
17680
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 06 Mar 2019 08:01:37 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/hacchina_hskrefund_248x248.jpg/gio/resize/
25 KB
25 KB
2324ms
1464ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/hacchina_hskrefund_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
d5372bedee48cbe41c1d33cf41e9455b6073137ffc9b844ba3c6a58de09e054f

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"62a00906-6963"
age
92623
accept-ranges
bytes
content-length
25381
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 08 Jun 2022 02:27:18 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/arab_248x248.jpg.jpg/gio/resize/
23 KB
23 KB
2045ms
1185ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/arab_248x248.jpg.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
5e403d989eaf2607ef56cccc7701bd925a7be57c2580a80a2f9d11977e70c9df

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fa3a327-5fdc"
age
92147
accept-ranges
bytes
content-length
23792
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Thu, 05 Nov 2020 07:00:55 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_banner_italypromotion_248x248.jpg/gio/resize/
21 KB
21 KB
1973ms
1113ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_banner_italypromotion_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
680de5aaef5d3989dfb638f44c03b5479555b8552b844233058df768099618af

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5d83601d-5855"
age
36185
accept-ranges
bytes
content-length
21487
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Thu, 19 Sep 2019 11:01:49 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_sugangbanner_chinese_allpass_230106.jpg/gio/resize/
38 KB
38 KB
1903ms
1043ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_sugangbanner_chinese_allpass_230106.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
adfb9e7af3c9770694793f78c25e88278146ecdebf62f8bd484a5134d7d434ad

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"63b7ac6e-a617"
age
92147
accept-ranges
bytes
content-length
38768
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Fri, 06 Jan 2023 05:06:54 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/portugal_248x248.jpg/gio/resize/
23 KB
24 KB
1821ms
961ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/portugal_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
9b32c1c41e6b68aa4d48645ae64bf7eb810346865774c725ff3a5c91505e77f8

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5d3abf83-60fe"
age
48806
accept-ranges
bytes
content-length
23965
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Fri, 26 Jul 2019 08:53:23 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_vietnamesepromotion_248x248.jpg/gio/resize/
25 KB
26 KB
1760ms
900ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_vietnamesepromotion_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
3fe61046972efa27652c429ae7add13cf852df15a0d9a8607cc78a7a247786a6

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fab2f8a-6628"
age
47916
accept-ranges
bytes
content-length
25989
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 11 Nov 2020 00:25:46 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_frenchpromotion_248x248.jpg/gio/resize/
23 KB
23 KB
2294ms
1435ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_frenchpromotion_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
72268a6e3236ded00331219800d3d574eea7f0e124ef98d67d4b5646df3c392f

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fa0c5e9-5c9d"
age
25668
accept-ranges
bytes
content-length
23637
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Tue, 03 Nov 2020 02:52:25 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_2nd_russian_promotion_248x248.jpg/gio/resize/
17 KB
17 KB
1609ms
749ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_2nd_russian_promotion_248x248.jpg/gio/resize/238
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
dc1001adb5f46a90e8a057748b3abf276ccd61cf09859051ad4e2df33dc09e40

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5c7f7e61-4510"
age
51851
accept-ranges
bytes
content-length
17140
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 06 Mar 2019 08:01:37 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
lecture_banner.js Show response
champ.hackers.com/modules/site/pages/
4 KB
2 KB
908ms
908ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/modules/site/pages/lecture_banner.js
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
2f4c79dc14cbe9e8474234d349405acadb231e172edb98d57a2c4582a96907a4

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"f5c-5c1bae8bdade8-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1342
x-amz-cf-id
rgckRpfZrvHlKGUJCn-OvpAZSsGArGj-29WVeVhX76TW462Ofl8uZQ==
date
Tue, 07 Apr 2026 12:49:10 GMT
content-type
application/javascript
last-modified
Fri, 07 May 2021 10:29:56 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
main.js Show response
champ.hackers.com/widgets/player/youtube-api/
6 KB
2 KB
908ms
908ms
Script
application/javascript
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/widgets/player/youtube-api/main.js?c=20200228
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
9f8d6b7db08491394d3c048fb8a0745a57b088b4d205cc0a7b858df04bd89059

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"19b0-5dd1fc5b5d638-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1949
x-amz-cf-id
dhGElsHyX0DyGmRfDsRjeCS821OCweQxuHVkMDRBo0Y-hJ0MFqEW2w==
date
Tue, 07 Apr 2026 12:49:10 GMT
content-type
application/javascript
last-modified
Thu, 21 Apr 2022 01:10:14 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
main.css
champ.hackers.com/widgets/banner/latestVisited/
0
284 B
921ms
917ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/widgets/banner/latestVisited/main.css?c=20200228
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"0-55b4e9af6de40"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
0
x-amz-cf-id
SMRhZiJI4ReGIfJXFty6ogfUpL_T2T1J5maKXeKZEGUK2824PTOxpA==
date
Tue, 07 Apr 2026 12:49:10 GMT
content-type
text/css
last-modified
Thu, 12 Oct 2017 00:27:29 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
closingBanner.css
champ.hackers.com/html/css/
5 KB
2 KB
905ms
901ms
Stylesheet
text/css
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/html/css/closingBanner.css
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
597abb017d16abf396d4bb825e5d84836e2a2fa1bc4498694ae111e57778998e

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
"1555-5b31660d864c0-gzip"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1435
x-amz-cf-id
I_inOFk-0CZJqGOu7I9Ok5h7zfJvcTNGv0ZgcIoDuhq4qhs0fCdq4w==
date
Tue, 07 Apr 2026 12:49:10 GMT
content-type
text/css
last-modified
Mon, 02 Nov 2020 02:19:39 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
vary
Accept-Encoding
GET
H2
200
VOfu-WzLcNI Show response
www.youtube.com/embed/ Frame 8B97
139 KB
57 KB
520ms
211ms
Document
text/html
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
ESF /
Resource Hash
1e6ad2edf0d73e06fa55a9a19023821a54d1d95bbfba1d951cebef7abacd7c53
Security Headers
Name Value
Content-Security-Policy script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist require-trusted-types-for 'script' base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-YpX_rR4GrxOQX-OOb-vpYg' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://champ.hackers.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, max-age=0, must-revalidate
content-encoding
br
content-security-policy
script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist require-trusted-types-for 'script' base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-YpX_rR4GrxOQX-OOb-vpYg' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict
content-type
text/html; charset=utf-8
cross-origin-embedder-policy-report-only
require-corp; report-to="youtube_main"
cross-origin-opener-policy-report-only
same-origin; report-to="youtube_main"
cross-origin-resource-policy
cross-origin
date
Tue, 07 Apr 2026 12:49:10 GMT
expires
Mon, 01 Jan 1990 00:00:00 GMT
origin-trial
AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9 AiDEBptUfVeO93q48VdVMe/ubupazdAl8AaHP+NBzdnW8quUcHdzJUyGSfrmtpKJu7EOvwRp9ug2rEo3XU+WMAMAAAB2eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJEZXZpY2VCb3VuZFNlc3Npb25DcmVkZW50aWFsczIiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlfQ==
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=iw for more info."
permissions-policy
ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=*
pragma
no-cache
report-to
{"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
server
ESF
strict-transport-security
max-age=31536000
vary
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-content-type-options
nosniff
x-xss-protection
0
GET
H2
200
blank.png
gscdn.hackers.co.kr/champ/
110 B
0
2196ms
2196ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/blank.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6f064b11007507ecebb88b25c6b21a41e51189b079c5a30342c8dc8950019c0c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5af2b177-6e"
age
76222
accept-ranges
bytes
content-length
110
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 09 May 2018 08:29:43 GMT
content-type
image/png
server
nginx
GET

blank.gif
gscdn.hackers.co.kr/champ/
0
0


GET
H2
200
icon_family_site.png
gscdn.hackers.co.kr/champ/img/common/
12 KB
12 KB
1282ms
357ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/icon_family_site.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6d6b7b1a7dc2d97380c00a17a729eee6db2a10f36d102dc91c20b6e00b89752b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5c9b0969-2e2c"
age
128439
accept-ranges
bytes
content-length
11820
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 27 Mar 2019 05:26:01 GMT
content-type
image/png
server
nginx
GET
H2
200
sp_layout.png
gscdn.hackers.co.kr/champ/images/champstudy/common/
29 KB
29 KB
2157ms
1231ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/common/sp_layout.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
1dbe4ab873a59ad449e07cdcdd5f4a55660b980c75944368de1b7cdac682790d

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"627225b7-72ad"
age
81423
accept-ranges
bytes
content-length
29357
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 04 May 2022 07:05:27 GMT
content-type
image/png
server
nginx
GET
H2
200
gate_check.jpg
gscdn.hackers.co.kr/champ/img/common/family/
1 KB
2 KB
1555ms
629ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/family/gate_check.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6b61d6e2f0c3f38c44529b6a692a155e898a70a5f7fda41961438f79c7261685

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5e65e981-5ac"
age
108845
accept-ranges
bytes
content-length
1452
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 09 Mar 2020 07:00:17 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
gate_arrow.jpg
gscdn.hackers.co.kr/champ/img/common/family/
451 B
586 B
1674ms
748ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/family/gate_arrow.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
9a6c8bf19d9088cbbd4b3257dbbfa6383dda29a2876e3f894260e391c066ad9c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5e65e981-1c3"
age
47139
accept-ranges
bytes
content-length
451
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 09 Mar 2020 07:00:17 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
top_svc_line.gif
gscdn.hackers.co.kr/champ/
44 B
176 B
1549ms
624ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/top_svc_line.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
15c66c6f3d7fecb4d39584169b2a03fd99755737fefab42c994675fc9bc3a6a3

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"625444bb-2c"
age
94230
accept-ranges
bytes
content-length
44
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 11 Apr 2022 15:09:47 GMT
content-type
image/gif
server
nginx
GET
H2
200
notokr-regular.woff2
champ.hackers.com/layouts/common/_css/webfont/
132 KB
132 KB
918ms
917ms
Font
application/octet-stream
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/common/_css/webfont/notokr-regular.woff2
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
ae57d3fa473d34383e6762a9f26eb5a82d20e301e3c38ae481a8845b7c221680

Request headers

Origin
https://champ.hackers.com
sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"20f30-5869cbd917540"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
134960
x-amz-cf-id
GfIfEe8Mc7QZX2JlHaH85zF-DuVpetSaYxtHjTpWBoXz4Qvh21mkkQ==
date
Tue, 07 Apr 2026 12:49:10 GMT
last-modified
Tue, 16 Apr 2019 02:43:57 GMT
x-amz-cf-pop
FRA60-P1
server
Apache
GET
H2
200
notokr-bold.woff2
champ.hackers.com/layouts/common/_css/webfont/
132 KB
132 KB
918ms
918ms
Font
application/octet-stream
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/layouts/common/_css/webfont/notokr-bold.woff2
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
722e3e0fc3837b645eda147bf9776629628bdb4c4c0cef320af8fa66192ece88

Request headers

Origin
https://champ.hackers.com
sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"20f38-5869cbd917540"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
134968
x-amz-cf-id
fQc090jgPclxRH87SfohPfLTu6OHr9J6ptpSxp2pCHDqJrmDWyDbFA==
date
Tue, 07 Apr 2026 12:49:10 GMT
last-modified
Tue, 16 Apr 2019 02:43:57 GMT
x-amz-cf-pop
FRA60-P1
server
Apache
GET
H2
200
bullet.png
gscdn.hackers.co.kr/champ/images/champstudy/common/
7 KB
8 KB
2169ms
1272ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/common/bullet.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
79da0ac5505541b3693ff513e1ca6f66c5f0c687986af720c4bfaf52751614ed

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5add7161-1da8"
age
60599
accept-ranges
bytes
content-length
7592
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 23 Apr 2018 05:38:41 GMT
content-type
image/png
server
nginx
GET
H2
200
blank.gif
gscdn.hackers.co.kr/champ/
43 B
0
183ms
183ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/blank.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
b1442e85b03bdcaf66dc58c7abb98745dd2687d86350be9a298a1d9382ac849b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f28ef94-2b"
age
19145
accept-ranges
bytes
content-length
43
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Tue, 04 Aug 2020 05:18:12 GMT
content-type
image/gif
server
nginx
GET
H2
200
line_tit_h4.gif
gscdn.hackers.co.kr/champ/images/champstudy/common/
47 B
179 B
1378ms
1378ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/common/line_tit_h4.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
e8f5c7417ad0d2f3d7e820e581358ae03c67b15e405c8247e5b7789ea00582cd

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5a12a506-2f"
age
50761
accept-ranges
bytes
content-length
47
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 20 Nov 2017 09:48:54 GMT
content-type
image/gif
server
nginx
GET
H2
200
ico_common.png
gscdn.hackers.co.kr/champ/images/champstudy/applyclass/
6 KB
6 KB
1379ms
1378ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/applyclass/ico_common.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/sub.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
ec56f7f263617e57b2a0e0fe5d52942af9a83600e0e4352133cab44f7b32f4bb

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5b302a35-1857"
age
101874
accept-ranges
bytes
content-length
6231
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Sun, 24 Jun 2018 23:33:09 GMT
content-type
image/png
server
nginx
GET
H2
200
ico_bar2.gif
gscdn.hackers.co.kr/champ/images/champstudy/applyclass/
1 KB
1 KB
1393ms
1393ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/applyclass/ico_bar2.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/sub.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
d6775ddf6251d825329ca54f50f72ea34c303b4660b22afb1d9118e2424dda9d

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5a12a501-48c"
age
18439
accept-ranges
bytes
content-length
1164
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 20 Nov 2017 09:48:49 GMT
content-type
image/gif
server
nginx
GET
H2
200
www-player-rtl.css
www.youtube.com/s/player/8c83ec2e/ Frame 8B97
519 KB
57 KB
146ms
145ms
Stylesheet
text/css
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/s/player/8c83ec2e/www-player-rtl.css
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
sffe /
Resource Hash
c1b9e22c7abd43cecf32cd75b934f56a6b9a277e8fdf0fdf937a4420d8afdd27
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
4305
report-to
{"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options
nosniff
expires
Wed, 07 Apr 2027 11:37:25 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 11:37:25 GMT
last-modified
Thu, 02 Apr 2026 04:37:04 GMT
content-type
text/css
vary
Accept-Encoding, Origin
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="youtube"
content-length
58252
x-xss-protection
0
server
sffe
GET
H2
200
rs=AGKMywEx7TcOyzjTHz2OqNRkcS8E4Z10HA
www.youtube.com/s/_/ytembeds/_/ss/k=ytembeds.base.F3v2L_2eC3U.R.W.O/am=AAAABQ/d=0/br=1/ Frame 8B97
330 KB
38 KB
191ms
191ms
Stylesheet
text/css
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/s/_/ytembeds/_/ss/k=ytembeds.base.F3v2L_2eC3U.R.W.O/am=AAAABQ/d=0/br=1/rs=AGKMywEx7TcOyzjTHz2OqNRkcS8E4Z10HA
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
sffe /
Resource Hash
1ff132b2da14868d70ad0d7848cdd00019c9770117e07b3b606f466c4fe88ff9
Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
85512
report-to
{"group":"youtube-main-app-web-scs-key","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube-main-app-web-scs-key"}]}
x-content-type-options
nosniff
expires
Tue, 06 Apr 2027 13:03:58 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 06 Apr 2026 13:03:58 GMT
last-modified
Sat, 04 Apr 2026 05:09:25 GMT
content-type
text/css; charset=UTF-8
vary
Accept-Encoding
content-security-policy
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="youtube-main-app-web-scs-key"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
content-length
38681
x-xss-protection
0
server
sffe
GET
H2
200
blank.png
gscdn.hackers.co.kr/champ/
110 B
0
1097ms
1097ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/blank.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6f064b11007507ecebb88b25c6b21a41e51189b079c5a30342c8dc8950019c0c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5af2b177-6e"
age
76222
accept-ranges
bytes
content-length
110
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 09 May 2018 08:29:43 GMT
content-type
image/png
server
nginx
GET
H2
200
ico_main_rank.png
cdn.hackers.com/hackersingang/champ/img/main/v19/
2 KB
2 KB
142ms
141ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v19/ico_main_rank.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
80b8189ccc996dea36db2dd9e8a868910a4087ac33c0e85317f3b1085a2b6019

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
IFyWDewN.gZ6fXGWcYZaCuQcJIk_koMJ
etag
"0e5dcabf2fdc84da1b540e02bc92e4a7"
age
1582
x-cache
Hit from cloudfront
x-amz-cf-id
mfTxQTbV2AnqMMBDIjGwnWEyHKDyOMJpf8Ep9ADxjMOmtb5F9ZQCfg==
date
Tue, 07 Apr 2026 12:22:49 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Mon, 14 Jul 2025 02:35:35 GMT
content-disposition
inline; filename="ico_main_rank.png"
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
1659
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
foot_con_bg.jpg
cdn.hackers.com/hackersingang/champ/img/main/v19/
69 KB
69 KB
149ms
149ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v19/foot_con_bg.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
a34d75ea53084b2847f213bf239386571c10f8bf813fd50d077b468c2bbe8c0a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
Wm2UZeBjz0jV8gr5MyI64cGNq1KAmSB5
etag
"085a719d11d859d41de69bf642aad76a"
age
1582
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
70584
x-amz-cf-id
rT1HGkC2TrF7nS7aqmPaanDke5IDl6NT9fx0Q5U73niOxLvbVYNsHA==
date
Tue, 07 Apr 2026 12:23:39 GMT
content-type
image/jpeg
last-modified
Wed, 23 Jul 2025 00:29:30 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
footer_ico.png
gscdn.hackers.co.kr/champ/img/common/
869 B
1003 B
1394ms
1393ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/footer_ico.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/layouts/champstudy/_css/common.css?ver=1775566148
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
4aebde3389cc5fe91e7efe6d10f61f41409511fd191b2f80073fb82995b24e83

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f3256a5-365"
age
63545
accept-ranges
bytes
content-length
869
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Tue, 11 Aug 2020 08:28:21 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_link_2016.php Show response
www.hackers.ac/site/ Frame 9334
16 KB
17 KB
1244ms
925ms
Document
text/html
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/site/foot_link_2016.php
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-84-152-22.fra56.r.cloudfront.net
Software
nginx /
Resource Hash
284055f25733e2881a1d97f770f793eae8c5538ef8938907527bf7f6ea67065f

Request headers

Referer
https://champ.hackers.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

content-type
text/html; charset=euc-kr
date
Tue, 07 Apr 2026 12:49:11 GMT
server
nginx
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-amz-cf-id
LymAZrmAE5ONcXhBbP_rlanBCHxMY_7S7W-QcTDGQKapFV1SlD4buQ==
x-amz-cf-pop
FRA56-P13
x-cache
Miss from cloudfront
GET
H2
200
m=root,base Show response
www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/ Frame 8B97
649 KB
207 KB
160ms
159ms
Script
text/javascript
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
sffe /
Resource Hash
ccaec9a7cfc36034427fd180cab9989ec807505244544b7ae801d97c4b9fce4c
Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
85965
report-to
{"group":"youtube-main-app-web-scs-key","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube-main-app-web-scs-key"}]}
x-content-type-options
nosniff
expires
Tue, 06 Apr 2027 12:56:25 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 06 Apr 2026 12:56:25 GMT
last-modified
Sat, 04 Apr 2026 09:08:05 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-security-policy
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="youtube-main-app-web-scs-key"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
content-length
212166
x-xss-protection
0
server
sffe
GET
H2
200
base.js Show response
www.youtube.com/s/player/8c83ec2e/player_embed_es6.vflset/iw_IL/ Frame 8B97
1 MB
433 KB
259ms
258ms
Script
text/javascript
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/s/player/8c83ec2e/player_embed_es6.vflset/iw_IL/base.js
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
sffe /
Resource Hash
b4e39bde466213170e0bba6afdfdc1386056b54196826f3f708eaf83f82565cb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
101759
report-to
{"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options
nosniff
expires
Tue, 06 Apr 2027 08:33:11 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 06 Apr 2026 08:33:11 GMT
last-modified
Thu, 02 Apr 2026 04:37:04 GMT
content-type
text/javascript
vary
Accept-Encoding, Origin
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="youtube"
content-length
442749
x-xss-protection
0
server
sffe
GET
H2
200
iframe_api Show response
www.youtube.com/
993 B
3 KB
484ms
191ms
Script
text/javascript
142.251.141.78
Google LLC
General
Full URL
https://www.youtube.com/iframe_api
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/widgets/player/youtube-api/main.js?c=20200228
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.141.78 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
tzfraa-ar-in-f14.1e100.net
Software
ESF /
Resource Hash
51321dce064992225ff921a315eb1de4df390939b82b2ad14ccdad03514314ed
Security Headers
Name Value
Content-Security-Policy script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist, require-trusted-types-for 'script', base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce--ZvfYme6TunDJUPMM-Jqww' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
report-to
{"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
x-content-type-options
nosniff
origin-trial
AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9, AiDEBptUfVeO93q48VdVMe/ubupazdAl8AaHP+NBzdnW8quUcHdzJUyGSfrmtpKJu7EOvwRp9ug2rEo3XU+WMAMAAAB2eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJEZXZpY2VCb3VuZFNlc3Npb25DcmVkZW50aWFsczIiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlfQ==
expires
Tue, 07 Apr 2026 12:49:11 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=iw for more info."
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
text/javascript; charset=utf-8
vary
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
content-security-policy
script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist, require-trusted-types-for 'script', base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce--ZvfYme6TunDJUPMM-Jqww' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict
cache-control
private, max-age=0
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
cross-origin-resource-policy
cross-origin
permissions-policy
ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=*
cross-origin-opener-policy-report-only
same-origin; report-to="youtube_main"
x-xss-protection
0
server
ESF
GET
H2
200
/ Show response
champ.hackers.com/
958 B
653 B
916ms
916ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fsmart_cate1_list.ajax&type=1&_=1775566149951
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
94775cb1e27e69049aa799fbbec7f330e42ce70cb56b9fbdca5d9e5bf21bb02c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
Thu, 19 Nov 1981 08:52:00 GMT
x-cache
Miss from cloudfront
content-length
273
x-amz-cf-id
g2LbByxB5ew50p_ANAg2gRa8AiXyKPgFQ0LoZvIeBF3U9e83jGAANg==
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
text/html;charset=utf-8
vary
Accept-Encoding
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
/ Show response
champ.hackers.com/
5 KB
1 KB
430ms
430ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fenroll_lecture_list.ajax&cate1_cd=sf001&pass_cd=sf001001&_=1775566149952
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
9907ccf1422e398479877063a5f441fdcc205d9765977d920ced0f2c1e4a5b0b

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
Thu, 19 Nov 1981 08:52:00 GMT
x-cache
Miss from cloudfront
content-length
832
x-amz-cf-id
KnCrqNHx724ZNLuoeLhKDXrrFnepfwgOsqjHVhvHHvhGxvher9RNOw==
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
text/html;charset=utf-8
vary
Accept-Encoding
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
/ Show response
champ.hackers.com/
39 B
383 B
933ms
933ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=&a=recentVisited&page=1&direction=getListWithInfo&length=3&_=1775566149953
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
7bc6adf8ee4d59dca83fbae84a7e27efec3061c7f4fee80eccd9e576d684b60e

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
application/json, text/javascript, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
Thu, 19 Nov 1981 08:52:00 GMT
x-cache
Miss from cloudfront
content-length
39
x-amz-cf-id
sBA_FFAHbdky1h-fe_xGcOsHsp1Yl9XAxwtgnzJQxqaKA7a2jk3jig==
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
text/html;charset=utf-8
x-amz-cf-pop
FRA60-P1
server
Apache
GET
H2
200
_cjdsusbanner_top_260x120.jpg
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
20 KB
20 KB
149ms
149ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/_cjdsusbanner_top_260x120.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9f4ff7bb487b8c07348c419cdc96857d4d68290181accd2ba456206d7774a822

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
aokCjf0i8XD.4z6ckArBKGLXKkf74eWH
etag
"556cb389e5aa7d5823e63aba9ed46360"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
20234
x-amz-cf-id
W5B3KQR_nkZ-5kWdsQicvv3UXPAiHHDZZIfeUUerhIgXxeaEOBXqqw==
date
Tue, 07 Apr 2026 12:23:41 GMT
content-type
image/jpeg
last-modified
Tue, 23 Sep 2025 00:02:35 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
champ_all_narasarang.jpg
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
18 KB
18 KB
158ms
157ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/champ_all_narasarang.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9272388ced48a5a9eb5e8908488421cfea2fc00f85477f47c9ad559a50eb5885

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
7ZkUATO1QoMkEFfTCIVbJVEEvcJPk.7c
etag
"ebe361bbba6ac8cd1477ba8c6b0de303"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
18223
x-amz-cf-id
czX9xkxEdNdEt9eOfJ5gbsUUwQqKGVpRM_xN7_WqqboxUlA_IaTNlQ==
date
Tue, 07 Apr 2026 12:23:41 GMT
content-type
image/jpeg
last-modified
Mon, 19 Jan 2026 05:19:07 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
champ_voucher_260x120.jpg
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
19 KB
20 KB
166ms
166ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/champ_voucher_260x120.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9ab673a001f2365a864661a5ceb0dfc0ec4d57a6ef6cbef5af89c3cc295b6805

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
VOCiHLR8L8RrPh5BFJtOo_uBShBcwhD_
etag
"130c79a49850a2a96326745ad7f1e08c"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
19938
x-amz-cf-id
akfFiUrBgZvZQr9K2Dd_I1UUsUy1lvfZA1HfDcwIC5NzUZRqzzAg7Q==
date
Tue, 07 Apr 2026 12:23:41 GMT
content-type
image/jpeg
last-modified
Tue, 23 Sep 2025 00:02:43 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H3
200
id Show response
googleads.g.doubleclick.net/pagead/ Frame 8B97
Redirect Chain
  • https://googleads.g.doubleclick.net/pagead/id
  • https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
100 B
146 B
154ms
154ms
XHR
application/json
142.251.110.156
Google LLC
General
Full URL
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H3
Server
142.251.110.156 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bz-in-f156.1e100.net
Software
cafe /
Resource Hash
bb59b35ce0eb1fae670b77619dc43c4af8739c855f04f5a5dec49a3c7fdf3d3e
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Referer
https://www.youtube.com/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
application/json; charset=UTF-8
content-disposition
attachment; filename="f.txt"
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
access-control-allow-origin
https://www.youtube.com
content-length
120
x-xss-protection
0
server
cafe

Redirect headers

x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
date
Tue, 07 Apr 2026 12:49:11 GMT
content-type
text/html; charset=UTF-8
cache-control
no-cache, no-store, must-revalidate
location
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
access-control-allow-origin
https://www.youtube.com
content-length
0
x-xss-protection
0
server
cafe
GET
H2
200
ad_status.js Show response
static.doubleclick.net/instream/ Frame 8B97
29 B
495 B
441ms
142ms
Script
text/javascript
142.251.13.149
Google LLC
General
Full URL
https://static.doubleclick.net/instream/ad_status.js
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.13.149 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
wt-in-f149.1e100.net
Software
sffe /
Resource Hash
eed0dc1fdb5d97ed188ae16fd5e1024a5bb744af47340346be2146300a6c54b9
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

age
848
report-to
{"group":"ads-doubleclick-media","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-doubleclick-media"}]}
x-content-type-options
nosniff
expires
Tue, 07 Apr 2026 12:50:03 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 12:35:03 GMT
last-modified
Thu, 12 Dec 2013 23:40:16 GMT
content-type
text/javascript
cache-control
public, max-age=900
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
access-control-allow-origin
*
cross-origin-opener-policy-report-only
same-origin; report-to="ads-doubleclick-media"
content-length
29
x-xss-protection
0
server
sffe
GET
H3
200
m=r78Drb Show response
www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/exm=base,root/ed=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/ Frame 8B97
452 KB
130 KB
143ms
143ms
Script
text/javascript
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/exm=base,root/ed=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=r78Drb
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
sffe /
Resource Hash
1d899eb5b97d03c41425e0065679a92f45540458cb0b08e0537bd8a6bb5596a0
Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
85966
report-to
{"group":"youtube-main-app-web-scs-key","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube-main-app-web-scs-key"}]}
x-content-type-options
nosniff
expires
Tue, 06 Apr 2027 12:56:25 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Mon, 06 Apr 2026 12:56:25 GMT
last-modified
Sat, 04 Apr 2026 09:08:05 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-security-policy
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube-main-app-web-scs-key
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="youtube-main-app-web-scs-key"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
content-length
133461
x-xss-protection
0
server
sffe
GET
H2
200
www-widgetapi.js Show response
www.youtube.com/s/player/8c83ec2e/www-widgetapi.vflset/
31 KB
11 KB
143ms
143ms
Script
text/javascript
142.251.141.78
Google LLC
General
Full URL
https://www.youtube.com/s/player/8c83ec2e/www-widgetapi.vflset/www-widgetapi.js
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/iframe_api
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.141.78 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
tzfraa-ar-in-f14.1e100.net
Software
sffe /
Resource Hash
9af313ed10b2fb2eb40b7cf476ec0ba74a3babe175e1bfc5d02308aeb54309fd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
4911
report-to
{"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options
nosniff
expires
Wed, 07 Apr 2027 11:27:20 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 11:27:20 GMT
last-modified
Thu, 02 Apr 2026 04:37:04 GMT
content-type
text/javascript
vary
Accept-Encoding, Origin
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="youtube"
content-length
10512
x-xss-protection
0
server
sffe
GET
H2
200
f959819d077820af9b52fed23fa5291f.jpg
cdn.hackers.com/hackersingang/champ/files/enroll_img/
3 KB
3 KB
143ms
143ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/enroll_img/f959819d077820af9b52fed23fa5291f.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9465194c92466506a71e47fa4cc5d91cdc4ad7e43b6ccc391384b9126bb6a78e

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
agKDUF96IG04k4YW6KUVC_maf77oiOJw
etag
"da25bbfdddc9e984c902ffce44544982"
age
1593
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
2768
x-amz-cf-id
XY_gUmXubmHmXWl3QL6hQp8KdyZd79xpCjpqVF3eRIIbRmcdVxHDvQ==
date
Tue, 07 Apr 2026 12:22:39 GMT
content-type
image/jpeg
last-modified
Tue, 10 Jun 2025 21:33:54 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
132f89283740c9bf57298ccd4cdcc3f9.jpg
cdn.hackers.com/hackersingang/champ/files/enroll_img/
1 KB
2 KB
144ms
144ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/enroll_img/132f89283740c9bf57298ccd4cdcc3f9.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
4c43f436042a850af726386129775c105cad4af911b90bf7d2c6e52869e46baa

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
C_oHldj.58CKtNbJUzPlQSfb9z503u4S
etag
"5ef576a406303c27e2b57f6195f3528b"
age
1592
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1248
x-amz-cf-id
96SrJnRr6KQ7InK1jjOmIaaIAQ_w-W-3d0-isRXlBJSMYtAY22bNSQ==
date
Tue, 07 Apr 2026 12:22:39 GMT
content-type
image/jpeg
last-modified
Tue, 11 Mar 2025 23:32:42 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
a237f890264c89c062f26e4889ef220c.jpg
cdn.hackers.com/hackersingang/champ/files/enroll_img/
1 KB
2 KB
145ms
145ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/enroll_img/a237f890264c89c062f26e4889ef220c.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
6d34ca0bbe7551b0173cb3338b8a94ef74c6ae6dc95933bfc1eb90953e37db0c

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
M9VvwoYVCfD3r20LKQ9sNO0ARqP5fK_0
etag
"17c58ea67fa56d63464e3c4ceb16e2d0"
age
1581
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1146
x-amz-cf-id
pjsroVhOaY8NjLNPRbbgym8FIfVuo2m5dINXVfDHnieafJPMjoCiow==
date
Tue, 07 Apr 2026 12:22:51 GMT
content-type
image/jpeg
last-modified
Tue, 31 Dec 2024 00:12:23 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
49a641b6b6688ca63fa1a97d7c296e51.jpg
cdn.hackers.com/hackersingang/champ/files/enroll_img/
1 KB
2 KB
145ms
145ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/enroll_img/49a641b6b6688ca63fa1a97d7c296e51.jpg
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
7327d1dde55d2e7056fc119ee69d6e6e7b09c2ab9c7ad57f5afcc839d94a32a1

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
JXOYGd_YDf8BtfFKfFxKfJm2bgaQaqce
etag
"dc5b703d6b1d4f1f6be490f3020e6af3"
age
1592
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
1378
x-amz-cf-id
ETYnzWsKoEhAUSFFmynD6G_QShZefCM00lbs6r_QAXz1QqMiBpFhag==
date
Tue, 07 Apr 2026 12:22:39 GMT
content-type
image/jpeg
last-modified
Wed, 27 Mar 2024 05:21:23 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
img_champ_logo_v2.png
gscdn.hackers.co.kr/champ/img/common/
1 KB
1 KB
1149ms
1148ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/common/img_champ_logo_v2.png
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
1ff9159e3283a7259c8de14c77d6c7c4ad5193e7459d4a29f6027100ecd1135d

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f2d11c4-56e"
age
122700
accept-ranges
bytes
content-length
1390
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Fri, 07 Aug 2020 08:33:08 GMT
content-type
image/png
server
nginx
GET
H3
200
KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2
fonts.gstatic.com/s/roboto/v48/ Frame 8B97
39 KB
39 KB
295ms
143ms
Font
font/woff2
142.251.110.94
Google LLC
General
Full URL
https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.110.94 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bz-in-f94.1e100.net
Software
sffe /
Resource Hash
20b535fa80c8189e3b87d1803038389960203a886d502bc2ef1857affc2f38d2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Origin
https://www.youtube.com
sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

age
267307
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
nosniff
expires
Sun, 04 Apr 2027 10:34:04 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Sat, 04 Apr 2026 10:34:04 GMT
last-modified
Thu, 29 May 2025 23:30:55 GMT
content-type
font/woff2
cache-control
public, max-age=31536000
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="apps-themes"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
accept-ranges
bytes
access-control-allow-origin
*
content-length
40128
x-xss-protection
0
server
sffe
GET
H2
200
default.webp
i.ytimg.com/vi_webp/VOfu-WzLcNI/ Frame 8B97
3 KB
3 KB
661ms
354ms
Image
image/webp
142.251.20.119
Google LLC
General
Full URL
https://i.ytimg.com/vi_webp/VOfu-WzLcNI/default.webp
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.20.119 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bx-in-f119.1e100.net
Software
sffe /
Resource Hash
ddeaa2776da1f341e5c8178c88f7d326c8d4bf0530a97dce2f8f4a5e0324006e
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=7200
etag
"1762472846"
cross-origin-resource-policy
cross-origin
report-to
{"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options
nosniff
expires
Tue, 07 Apr 2026 14:49:12 GMT
accept-ranges
bytes
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cross-origin-opener-policy-report-only
same-origin; report-to="youtube"
content-length
2978
date
Tue, 07 Apr 2026 12:49:12 GMT
x-xss-protection
0
content-type
image/webp
vary
Origin
server
sffe
GET
H3
200
Lweg8nzeIQ-GBJQKnG6MuwmhNqZuolsquXROdr6AJzM.js Show response
www.google.com/js/th/ Frame 8B97
61 KB
23 KB
272ms
92ms
Script
text/javascript
142.251.150.119
Google LLC
General
Full URL
https://www.google.com/js/th/Lweg8nzeIQ-GBJQKnG6MuwmhNqZuolsquXROdr6AJzM.js
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.150.119 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
2f07a0f27cde210f8604940a9c6e8cbb09a136a66ea25b2ab9744e76be802733
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
br
age
545655
report-to
{"group":"botguard-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/botguard-scs"}]}
x-content-type-options
nosniff
expires
Thu, 01 Apr 2027 05:14:56 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 01 Apr 2026 05:14:56 GMT
last-modified
Mon, 23 Mar 2026 15:30:00 GMT
content-type
text/javascript
vary
Accept-Encoding
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="botguard-scs"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs
accept-ranges
bytes
content-length
23752
x-xss-protection
0
server
sffe
GET
H2
200
onlineclass_srch_tit.gif
gscdn.hackers.co.kr/champ/images/champstudy/applyclass/
2 KB
2 KB
753ms
753ms
Image
image/gif
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/images/champstudy/applyclass/onlineclass_srch_tit.gif
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
7db1fc372e864f5b6e23b774a85b502a2149dc50ff0ee16b5272f8a8aa3f9496

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f309f27-766"
age
92809
accept-ranges
bytes
content-length
1894
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Mon, 10 Aug 2020 01:13:11 GMT
content-type
image/gif
server
nginx
GET
H2
200
default.css
www.hackers.ac/css/ Frame 9334
2 KB
1 KB
920ms
918ms
Stylesheet
text/css
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/css/default.css
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-84-152-22.fra56.r.cloudfront.net
Software
nginx /
Resource Hash
353ccc769e486949aaaed8baad3e9d43dcd1c69cde8c23ce70baac00e0c6ecad

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/site/foot_link_2016.php
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e783-68f"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
Miss from cloudfront
x-amz-cf-id
6TJzsQAH1Vw4_gKmUemsuDOKObLupiBt_PI6xpHbJ6gIHH7f-X5OXw==
date
Tue, 07 Apr 2026 12:49:12 GMT
content-type
text/css
last-modified
Thu, 27 Mar 2025 05:52:03 GMT
server
nginx
x-amz-cf-pop
FRA56-P13
vary
Accept-Encoding
GET
H2
200
jquery.bxslider.css
www.hackers.ac/css/ Frame 9334
5 KB
2 KB
917ms
916ms
Stylesheet
text/css
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/css/jquery.bxslider.css
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-84-152-22.fra56.r.cloudfront.net
Software
nginx /
Resource Hash
33c51cc6e1f14bf4de43ccd7dba50bf07f4542ed24884a152d893582860fcdd7

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/site/foot_link_2016.php
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-132d"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
Miss from cloudfront
x-amz-cf-id
y8LDZSqigjnTq5bDOWF3qnPKhi8rj9-7o1hl1Jea3L1-BVacuRZLtA==
date
Tue, 07 Apr 2026 12:49:12 GMT
content-type
text/css
last-modified
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
Accept-Encoding
GET
H2
200
jquery.min.js Show response
www.hackers.ac/js/ Frame 9334
94 KB
43 KB
928ms
927ms
Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/js/jquery.min.js
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-176bb"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
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date
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content-type
application/javascript
last-modified
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
Accept-Encoding
GET
H2
200
jquery.bxslider.min.js Show response
www.hackers.ac/js/ Frame 9334
28 KB
10 KB
935ms
934ms
Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/js/jquery.bxslider.min.js
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-6fbc"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
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x-amz-cf-id
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date
Tue, 07 Apr 2026 12:49:12 GMT
content-type
application/javascript
last-modified
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
Accept-Encoding
GET
H2
200
bxslider_ui.js Show response
www.hackers.ac/js/ Frame 9334
4 KB
2 KB
908ms
907ms
Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/js/bxslider_ui.js
Requested by
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URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-84-152-22.fra56.r.cloudfront.net
Software
nginx /
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Request headers

sec-ch-ua-platform
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Referer
https://www.hackers.ac/site/foot_link_2016.php
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-11ed"
via
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x-cache
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x-amz-cf-id
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date
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content-type
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last-modified
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
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GET
H2
200
bxslider_v2.js Show response
www.hackers.ac/js/pub/ Frame 9334
14 KB
6 KB
941ms
940ms
Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/js/pub/bxslider_v2.js
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Software
nginx /
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Request headers

sec-ch-ua-platform
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Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-3625"
via
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x-cache
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content-type
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
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200
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www.hackers.ac/js/pub/ Frame 9334
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930ms
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Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/js/pub/jquery.lazyload_1.9.1.min.js
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
nginx /
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/site/foot_link_2016.php
User-Agent
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sec-ch-ua
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sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"67e4e784-d35"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
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date
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content-type
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
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H2
200
blank.png
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452ms
145ms
Image
image/png
18.245.60.129
Amazon.com
General
Full URL
https://cdn.hackersut.com/images/common/blank.png
Requested by
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URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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18.245.60.129 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-cf-pop
FRA60-P5
x-amz-meta-s3b-last-modified
20210429T003538Z
x-amz-version-id
null
etag
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accept-ranges
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x-amz-cf-id
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date
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content-type
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x-amz-meta-sha256
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server
AmazonS3
GET
H2
200
foot_slide2_02.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
1109ms
369ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide2_02.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4c-105d"
age
95984
accept-ranges
bytes
content-length
4189
date
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last-modified
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content-type
image/png
server
nginx
GET
H2
200
/ Show response
champ.hackers.com/
1 KB
688 B
430ms
429ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fsmart_cate2_list.ajax&cate1_cd=sf001&type=1&_=1775566149954
Requested by
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URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
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x-cache
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content-length
306
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date
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content-type
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vary
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server
Apache
x-amz-cf-pop
FRA60-P1
GET
H3
204
generate_204
www.youtube.com/ Frame 8B97
0
10 B
142ms
142ms
Image
text/plain
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/generate_204?CRrHLA
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.14.190 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f190.1e100.net
Software
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
User-Agent
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sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
date
Tue, 07 Apr 2026 12:49:11 GMT
cross-origin-resource-policy
cross-origin
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jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame
0
0
451ms
154ms
Preflight
text/html
142.251.127.95
Google LLC
General
Full URL
https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
142.251.127.95 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
lcfrai-in-f95.1e100.net
Software
ESF /
Resource Hash
Security Headers
Name Value
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Request headers

Accept
*/*
Access-Control-Request-Headers
content-type,x-goog-api-key
Access-Control-Request-Method
POST
Origin
https://www.youtube.com
Sec-Fetch-Mode
cors
User-Agent
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Response headers

access-control-allow-credentials
true
access-control-allow-headers
content-type,x-goog-api-key
access-control-allow-methods
DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT
access-control-allow-origin
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alt-svc
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content-length
0
content-type
text/html
date
Tue, 07 Apr 2026 12:49:12 GMT
server
ESF
vary
origin referer x-origin
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
0
POST
H2
200
GenerateIT Show response
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 8B97
102 B
312 B
159ms
157ms
XHR
application/json+protobuf
142.251.127.95
Google LLC
General
Full URL
https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT
Requested by
Host: www.youtube.com
URL: https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
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TLS 1.3, , AES_256_GCM
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142.251.127.95 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
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Software
ESF /
Resource Hash
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Security Headers
Name Value
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Request headers

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sec-ch-ua-platform
"Linux"
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https://www.youtube.com/
User-Agent
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sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
Content-Type
application/json+protobuf
sec-ch-ua-mobile
?0

Response headers

access-control-expose-headers
vary,vary,vary,content-encoding,date,server,content-length
content-encoding
gzip
access-control-allow-credentials
true
x-content-type-options
nosniff
access-control-allow-origin
https://www.youtube.com
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
122
date
Tue, 07 Apr 2026 12:49:12 GMT
x-xss-protection
0
content-type
application/json+protobuf; charset=UTF-8
vary
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server
ESF
x-frame-options
SAMEORIGIN
GET
H2
200
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gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
877ms
392ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide_no1_brand.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5f2a39a2-f09"
age
75796
accept-ranges
bytes
content-length
3849
date
Tue, 07 Apr 2026 12:49:13 GMT
last-modified
Wed, 05 Aug 2020 04:46:26 GMT
content-type
image/png
server
nginx
GET
H2
200
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www.hackers.ac/popup/certificate/js/ Frame 9334
7 KB
1 KB
909ms
908ms
Script
application/javascript
99.84.152.22
Amazon.com
General
Full URL
https://www.hackers.ac/popup/certificate/js/cer_cate.js
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.152.22 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-99-84-152-22.fra56.r.cloudfront.net
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
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sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
gzip
etag
W/"69b0b1d0-1cb4"
via
1.1 22071b16ebfda9a38c5d5316f5b9ce82.cloudfront.net (CloudFront)
x-cache
Miss from cloudfront
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date
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content-type
application/javascript
last-modified
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server
nginx
x-amz-cf-pop
FRA56-P13
vary
Accept-Encoding
GET
H2
200
/ Show response
champ.hackers.com/
960 B
699 B
417ms
417ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fsmart_cate_part_list.ajax&cate1_cd=sf001&cate2_cd=&type=1&_=1775566149955
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
Apache /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
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x-cache
Miss from cloudfront
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x-amz-cf-id
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date
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content-type
text/html;charset=utf-8
vary
Accept-Encoding
server
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x-amz-cf-pop
FRA60-P1
GET
H2
200
/ Show response
champ.hackers.com/
2 KB
869 B
435ms
435ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fsmart_cate3_list.ajax&cate1_cd=sf001&cate2_cd=&cate3_cd=&type=1&_=1775566149956
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
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x-cache
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content-length
488
x-amz-cf-id
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date
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content-type
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vary
Accept-Encoding
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
/ Show response
champ.hackers.com/
66 KB
4 KB
951ms
951ms
XHR
text/html
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/?r=champstudy&m=site&a=main%2Fsmart_lecture_list.ajax&cate1_cd=sf001&cate2_cd=&cate3_cd=&tc_id=&_=1775566149957
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/plugins/jquery/1.11.2/jquery-1.11.2.min.js?ver=20211103
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Software
Apache /
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Accept
text/html, */*; q=0.01
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding
gzip
pragma
no-cache
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
expires
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x-cache
Miss from cloudfront
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date
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content-type
text/html;charset=utf-8
vary
Accept-Encoding
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
foot_slide1_07.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
890ms
422ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_07.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf50-10ff"
age
40086
accept-ranges
bytes
content-length
4351
date
Tue, 07 Apr 2026 12:49:13 GMT
last-modified
Thu, 06 Oct 2022 11:43:12 GMT
content-type
image/png
server
nginx
GET
H2
200
re_btn.png
cdn.hackers.ac/srv/images/common/ Frame 9334
367 B
818 B
477ms
153ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/srv/images/common/re_btn.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
09c4L4uQWMIVsyt9KILc25iQ3lqHYpBq
etag
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1908
x-cache
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date
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content-type
image/png
vary
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last-modified
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content-disposition
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via
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accept-ranges
bytes
content-length
367
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
foot_slide1_B.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
387ms
386ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_B.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf51-f9b"
age
40086
accept-ranges
bytes
content-length
3995
date
Tue, 07 Apr 2026 12:49:14 GMT
last-modified
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content-type
image/png
server
nginx
GET
H2
200
foot_slide1_01.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
5 KB
413ms
412ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_01.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
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sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4e-11bf"
age
116830
accept-ranges
bytes
content-length
4543
date
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last-modified
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content-type
image/png
server
nginx
GET
H2
200
foot_slide3_06.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
449ms
448ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide3_06.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4e-100f"
age
96032
accept-ranges
bytes
content-length
4111
date
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last-modified
Thu, 06 Oct 2022 11:43:10 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_slide1_02.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
474ms
473ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_02.png
Requested by
Host: www.hackers.ac
URL: https://www.hackers.ac/site/foot_link_2016.php
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

sec-ch-ua-platform
"Linux"
Referer
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User-Agent
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sec-ch-ua
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sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4f-107b"
age
109291
accept-ranges
bytes
content-length
4219
date
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last-modified
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content-type
image/png
server
nginx
POST
H3
200
log_event Show response
www.youtube.com/youtubei/v1/ Frame 8B97
28 B
50 B
165ms
161ms
XHR
application/json
142.251.14.190
Google LLC
General
Full URL
https://www.youtube.com/youtubei/v1/log_event?alt=json
Requested by
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URL: https://www.youtube.com/s/_/ytembeds/_/js/k=ytembeds.base.en_US.U-p4u46Sw6g.2021.O/am=AAAABQ/d=1/br=1/rs=AGKMywG5fQ02MeMVTjpBkXGOQx7KjD4alg/m=root,base
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Request headers

sec-ch-ua-platform
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sec-ch-ua
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sec-ch-ua-mobile
?0
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X-YouTube-Client-Version
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Content-Type
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X-YouTube-Device
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Response headers

content-encoding
br
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
31
date
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x-xss-protection
0
content-type
application/json; charset=UTF-8
vary
Origin, X-Origin, Referer
server
scaffolding on HTTPServer2
x-frame-options
SAMEORIGIN
GET
H2
200
gtm.js Show response
www.googletagmanager.com/
522 KB
167 KB
451ms
160ms
Script
application/javascript
142.250.154.97
Google LLC
General
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-NW7NGC2
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
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TLS 1.3, , AES_128_GCM
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Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
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sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
zstd
expires
Tue, 07 Apr 2026 12:49:15 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 12:49:15 GMT
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
last-modified
Tue, 07 Apr 2026 12:00:00 GMT
access-control-allow-headers
Cache-Control
strict-transport-security
max-age=31536000; includeSubDomains
cache-control
private, max-age=900
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
access-control-allow-origin
*
content-length
170496
x-xss-protection
0
server
Google Tag Manager
GET
H2
200
mini_arrow.png
cdn.hackers.com/hackersingang/champ/img/main/
377 B
898 B
139ms
139ms
Image
image/png
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/mini_arrow.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
a3c8ddeb4d925c0ad3a71cf94b027871b239d9c2aa9e53a810f0ca8e2ea11d88

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
_8HROHTHzcWpP9aZPJ9WrhUEOzEJhrL2
etag
"0841200b8071dd11eeee886d7be7be43"
age
1563
x-cache
Hit from cloudfront
x-amz-cf-id
y0iLC5MOAw6MB69RG7_IbJsHhhqQXP6tXkWHiMaLqSoVVk13nAwklQ==
date
Tue, 07 Apr 2026 12:23:12 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Mon, 22 Sep 2025 03:55:07 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''mini_arrow.png
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
377
x-amz-meta-original-filename
mini_arrow.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
rolling_arrow.png
gscdn.hackers.co.kr/champ/img/event/2014/common/
1 KB
2 KB
356ms
356ms
Image
image/png
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/img/event/2014/common/rolling_arrow.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
ae6dfd27e963ad3375d4705fc79edc30441dbc08662fc31810cdd2955df3ddc4

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5c875680-58a"
age
161270
accept-ranges
bytes
content-length
1418
date
Tue, 07 Apr 2026 12:49:15 GMT
last-modified
Tue, 12 Mar 2019 06:49:36 GMT
content-type
image/png
server
nginx
GET
H2
200
top_bnr02.jpg
cdn.hackers.com/hackersingang/champ/img/main/v24/
63 KB
64 KB
147ms
142ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/img/main/v24/top_bnr02.jpg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
e938d3e9a3d007024ff991f685d50079b670ef39d86dcf454a09a214fe7e0971

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
HnYhngJUaGvsYYyk3sae2XBGOuU3v_Sn
etag
"9a67aa3192a208672c2f3505bf0e5b12"
age
1531
x-cache
Hit from cloudfront
x-amz-cf-id
5i-uWhoF7qiy68w55-eEr3_oIHN0ejstJq8Swan6uk-nAWyIap7i2w==
date
Tue, 07 Apr 2026 12:23:44 GMT
content-type
image/jpeg
vary
Accept-Encoding
last-modified
Tue, 11 Nov 2025 00:28:34 GMT
x-amz-meta-content-type
image/jpeg
content-disposition
inline; filename*=UTF-8''top_bnr02.jpg
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
64610
x-amz-meta-original-filename
top_bnr02.jpg
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
_cjdsusbanner_top_260x120.jpg
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
20 KB
0
1ms
1ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/_cjdsusbanner_top_260x120.jpg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9f4ff7bb487b8c07348c419cdc96857d4d68290181accd2ba456206d7774a822

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
aokCjf0i8XD.4z6ckArBKGLXKkf74eWH
etag
"556cb389e5aa7d5823e63aba9ed46360"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
20234
x-amz-cf-id
W5B3KQR_nkZ-5kWdsQicvv3UXPAiHHDZZIfeUUerhIgXxeaEOBXqqw==
date
Tue, 07 Apr 2026 12:23:41 GMT
content-type
image/jpeg
last-modified
Tue, 23 Sep 2025 00:02:35 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
champ_voucher_260x120.jpg
cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/
19 KB
0
1ms
1ms
Image
image/jpeg
13.33.187.76
Amazon.com
General
Full URL
https://cdn.hackers.com/hackersingang/champ/files/banner/imglib_files/champ_voucher_260x120.jpg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.76 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-76.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9ab673a001f2365a864661a5ceb0dfc0ec4d57a6ef6cbef5af89c3cc295b6805

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

vary
Accept-Encoding
x-amz-version-id
VOCiHLR8L8RrPh5BFJtOo_uBShBcwhD_
etag
"130c79a49850a2a96326745ad7f1e08c"
age
1531
via
1.1 840e16b680c94fee8c48b15e01dda782.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
19938
x-amz-cf-id
akfFiUrBgZvZQr9K2Dd_I1UUsUy1lvfZA1HfDcwIC5NzUZRqzzAg7Q==
date
Tue, 07 Apr 2026 12:23:41 GMT
content-type
image/jpeg
last-modified
Tue, 23 Sep 2025 00:02:43 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/hacchina_hskrefund_248x248.jpg/gio/resize/
25 KB
0
1ms
1ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/hacchina_hskrefund_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
d5372bedee48cbe41c1d33cf41e9455b6073137ffc9b844ba3c6a58de09e054f

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"62a00906-6963"
age
92623
accept-ranges
bytes
content-length
25381
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 08 Jun 2022 02:27:18 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/arab_248x248.jpg.jpg/gio/resize/
23 KB
0
2ms
2ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/arab_248x248.jpg.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
5e403d989eaf2607ef56cccc7701bd925a7be57c2580a80a2f9d11977e70c9df

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fa3a327-5fdc"
age
92147
accept-ranges
bytes
content-length
23792
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Thu, 05 Nov 2020 07:00:55 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_banner_italypromotion_248x248.jpg/gio/resize/
21 KB
0
2ms
2ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_banner_italypromotion_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
680de5aaef5d3989dfb638f44c03b5479555b8552b844233058df768099618af

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5d83601d-5855"
age
36185
accept-ranges
bytes
content-length
21487
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Thu, 19 Sep 2019 11:01:49 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_sugangbanner_chinese_allpass_230106.jpg/gio/resize/
38 KB
0
2ms
2ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_sugangbanner_chinese_allpass_230106.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
adfb9e7af3c9770694793f78c25e88278146ecdebf62f8bd484a5134d7d434ad

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"63b7ac6e-a617"
age
92147
accept-ranges
bytes
content-length
38768
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Fri, 06 Jan 2023 05:06:54 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/portugal_248x248.jpg/gio/resize/
23 KB
0
2ms
2ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/portugal_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
9b32c1c41e6b68aa4d48645ae64bf7eb810346865774c725ff3a5c91505e77f8

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5d3abf83-60fe"
age
48806
accept-ranges
bytes
content-length
23965
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Fri, 26 Jul 2019 08:53:23 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_vietnamesepromotion_248x248.jpg/gio/resize/
25 KB
0
3ms
3ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_vietnamesepromotion_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
3fe61046972efa27652c429ae7add13cf852df15a0d9a8607cc78a7a247786a6

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fab2f8a-6628"
age
47916
accept-ranges
bytes
content-length
25989
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 11 Nov 2020 00:25:46 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_frenchpromotion_248x248.jpg/gio/resize/
23 KB
0
3ms
3ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_frenchpromotion_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
72268a6e3236ded00331219800d3d574eea7f0e124ef98d67d4b5646df3c392f

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5fa0c5e9-5c9d"
age
25668
accept-ranges
bytes
content-length
23637
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Tue, 03 Nov 2020 02:52:25 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
238
gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_2nd_russian_promotion_248x248.jpg/gio/resize/
17 KB
0
4ms
4ms
Image
image/jpeg
1.248.254.84
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/champ/files/banner/imglib_files/banner/imglib/champ_2nd_russian_promotion_248x248.jpg/gio/resize/238
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
1.248.254.84 Nowon-gu, Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
dc1001adb5f46a90e8a057748b3abf276ccd61cf09859051ad4e2df33dc09e40

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"5c7f7e61-4510"
age
51851
accept-ranges
bytes
content-length
17140
date
Tue, 07 Apr 2026 12:49:11 GMT
last-modified
Wed, 06 Mar 2019 08:01:37 GMT
content-type
image/jpeg
server
nginx
GET
H2
200
favicon.ico
champ.hackers.com/_core/images/ico/champstudy/
1 KB
1 KB
909ms
906ms
Other
image/vnd.microsoft.icon
13.32.121.82
Amazon.com
General
Full URL
https://champ.hackers.com/_core/images/ico/champstudy/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.82 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-32-121-82.fra60.r.cloudfront.net
Software
Apache /
Resource Hash
81c87b9d5462e0da9195e5abaa46691bd8cd017db21a5d74ff30e9234f522cf8

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"47e-5969570e67c00"
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Miss from cloudfront
content-length
1150
x-amz-cf-id
swAm7yo5ws7cGYnnDLD-KkzEg9uJyQ9JdqIZ7FA_u4g8fhCaXBF3LA==
date
Tue, 07 Apr 2026 12:49:15 GMT
content-type
image/vnd.microsoft.icon
last-modified
Tue, 05 Nov 2019 08:44:32 GMT
server
Apache
x-amz-cf-pop
FRA60-P1
GET
H2
200
js Show response
www.googletagmanager.com/gtag/
526 KB
173 KB
170ms
169ms
Script
application/javascript
142.250.154.97
Google LLC
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-QSLSW7WENJ&cx=c&gtm=4e6431
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NW7NGC2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.154.97 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bt-in-f97.1e100.net
Software
Google Tag Manager /
Resource Hash
b790eef4a2c81d19b89f5d25676ee8c5160ca2f3a135a5dfe50fcd5f0208386a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
cache-control
private, max-age=900
content-encoding
zstd
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
expires
Tue, 07 Apr 2026 12:49:15 GMT
access-control-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
176913
date
Tue, 07 Apr 2026 12:49:15 GMT
x-xss-protection
0
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
server
Google Tag Manager
access-control-allow-headers
Cache-Control
GET
H2
200
b220801e094459u859 Show response
rum.beusable.net/load/
499 B
503 B
1075ms
355ms
Script
application/javascript
43.202.225.11
Amazon.com
General
Full URL
https://rum.beusable.net/load/b220801e094459u859?url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002
Requested by
Host: champ.hackers.com
URL: https://champ.hackers.com/?r=champstudy&c=lecture/lec_foreign&cate1_nm=%EC%A0%9C2%EC%99%B8%EA%B5%AD%EC%96%B4&cate2_cd=sf013016&cate3_cd=&tc_id=&tc_chk_id=&book_id=&level=sf013016&_C_=245656&utm_source=haccom&utm_medium=main_gate&utm_campaign=champ_second_vietnameselec&utm_content=202002
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
43.202.225.11 Incheon, Korea, Republic Of, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-43-202-225-11.ap-northeast-2.compute.amazonaws.com
Software
/
Resource Hash
ff6b9e85c6340d51b28d602e8e765c642c3b50750ef729e7d180f9dd5f63f320

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=600
content-encoding
br
etag
W/"1f3-AtnhZ3xUgwZVbvWmEcAsng2J6wA"
access-control-allow-origin
*
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Accept
POST
H3
200
collect
www.google.com/ccm/
0
0
331ms
153ms
Fetch
text/plain
142.251.156.119
Google LLC
General
Full URL
https://www.google.com/ccm/collect?frm=0&ae=g&en=page_view&dl=https%3A%2F%2Fchamp.hackers.com%2F&scrsrc=www.googletagmanager.com&rnd=1228211224.1775566156&dt=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&auid=601124036.1775566156&navt=n&npa=0&ep.ads_data_redaction=0&gtm=45He6431v76383371za200zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938468~116991816~118350477&apve=1&apvf=f&apvc=1&tft=1775566155693&tfd=8506
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NW7NGC2
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.156.119 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

GET
H/1.1
200
OK
wp_astg_4.0.js Show response
cdn-aitg.widerplanet.com/js/
21 KB
8 KB
493ms
152ms
Script
application/javascript
184.30.134.158
Akamai Technologies
General
Full URL
https://cdn-aitg.widerplanet.com/js/wp_astg_4.0.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NW7NGC2
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
184.30.134.158 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS
a184-30-134-158.deploy.static.akamaitechnologies.com
Software
nginx /
Resource Hash
c037d3afedbf04bb107e5ba5945c2dcc2b9fff620cd7183cd42837348bb09b5f

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

Content-Encoding
gzip
ETag
W/"698e4c08-52c2"
Connection
keep-alive
Access-Control-Allow-Origin
*
Content-Length
7667
Date
Tue, 07 Apr 2026 12:49:16 GMT
Content-Type
application/javascript
Last-Modified
Thu, 12 Feb 2026 21:54:16 GMT
Server
nginx
Vary
Accept-Encoding
GET
H2
200
ld.js Show response
static.criteo.net/js/ld/
72 KB
25 KB
543ms
230ms
Script
application/javascript
178.250.1.39
ASN-CRITEO-EUROPE...
General
Full URL
https://static.criteo.net/js/ld/ld.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NW7NGC2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
178.250.1.39 , France, ASN44788 (ASN-CRITEO-EUROPE Criteo Technology SAS, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
7ab79a602e2432e13f98c161db85a1a4ad7da9a5c4b5f87a9dedc35ce1bb2419
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

strict-transport-security
max-age=31536000; preload;
cache-control
public,max-age=10800
timing-allow-origin
*
content-encoding
br
x-criteo-endpoint-version
none
cross-origin-resource-policy
cross-origin
x-criteo-endpoint-action
GetStatic
x-criteo-endpoint-controller
Ld
access-control-allow-origin
*
date
Tue, 07 Apr 2026 12:49:15 GMT
content-type
application/javascript; charset=utf-8
vary
Origin, Accept-Encoding
server
Kestrel
GET
H2
200
tracker.1.tsp
weblog.hackers.ac/
49 B
49 B
1105ms
379ms
Image
text/html
43.202.244.3
Amazon.com
General
Full URL
https://weblog.hackers.ac/tracker.1.tsp?u=122&XU=&TREX=1&UID=ae7437e5b7c20fd298293de41daeb90b&SID=ad2abfb113ce1fb09e4665b84c4375b5&dr=&XDR=&dt=%uD1A0%uC775%uC778%uAC151%uC704%20%uD574%uCEE4%uC2A4%20%uCC54%uD504%uC2A4%uD130%uB514&du=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&CP=%2Flecture%2Flec_foreign&XCP=&CC=245656&js=Y&ss=1600x1200&cd=24&ce=Y&je=N&tzo=-180&tye=2026&tmo=4&tda=7&tho=15&tmi=49&tse=15&VN=1&CQ=%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&XCQ=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
43.202.244.3 Incheon, Korea, Republic Of, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-43-202-244-3.ap-northeast-2.compute.amazonaws.com
Software
Apache/2.2.23 (Unix) mod_ssl/2.2.23 OpenSSL/1.0.1e-fips DAV/2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-cache, must-revalidate
x-tracker
u=122
pragma
no-cache
expires
0
content-length
49
p3p
policyref="http://logger.co.kr/w3c/p3p.xml", CP="NOI DSP LAW NID PSA OUR IND NAV STA COM"
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
text/html
server
Apache/2.2.23 (Unix) mod_ssl/2.2.23 OpenSSL/1.0.1e-fips DAV/2
GET
H3
200
destination Show response
www.googletagmanager.com/gtag/
386 KB
137 KB
158ms
157ms
Script
application/javascript
142.250.154.97
Google LLC
General
Full URL
https://www.googletagmanager.com/gtag/destination?id=AW-977208835&cx=c&gtm=4e6431
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-QSLSW7WENJ&cx=c&gtm=4e6431
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.154.97 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bt-in-f97.1e100.net
Software
Google Tag Manager /
Resource Hash
249fc2ed77380f3de42f71411a8886af9517f6b003fc76cc5f89496388fe1526
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-encoding
zstd
report-to
{"group":"ascgsrsghrgc:70:0","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascgsrsghrgc:70:0"}],}
expires
Tue, 07 Apr 2026 12:49:16 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
last-modified
Tue, 07 Apr 2026 12:00:00 GMT
access-control-allow-headers
Cache-Control
strict-transport-security
max-age=31536000; includeSubDomains
cache-control
private, max-age=900
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascgsrsghrgc:70:0
access-control-allow-origin
*
cross-origin-opener-policy-report-only
same-origin; report-to=ascgsrsghrgc:70:0
content-length
140079
x-xss-protection
0
server
Google Tag Manager
POST
H2
204
collect
analytics.google.com/g/
0
0
451ms
152ms
Fetch
text/plain
142.251.13.113
Google LLC
General
Full URL
https://analytics.google.com/g/collect?v=2&tid=G-QSLSW7WENJ&gtm=45je6431v887995369z876383371za20gzb76383371zd76383371&_p=1775566154898&_gaz=1&gcd=13l3l3l3l1l1&npa=0&dma=0&cid=747780916.1775566156&ul=he-il&sr=1600x1200&ir=1&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_eu=EAAAAGA&_s=1&tag_exp=0~115938465~115938468~116991816~117884344~118131808&sid=1775566155&sct=1&seg=0&dl=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&dt=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&_tu=QA&uid=&en=page_view&_fv=1&_nsi=1&_ss=1&ep.site_id=champstudy&ep.previousKeyword=&tfd=8782
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-QSLSW7WENJ&cx=c&gtm=4e6431
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.13.113 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
wt-in-f113.1e100.net
Software
Golfe2 /
Resource Hash

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:178:0
report-to
{"group":"ascnsrsggc:178:0","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:178:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://champ.hackers.com
cross-origin-opener-policy-report-only
same-origin; report-to=ascnsrsggc:178:0
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
text/plain
server
Golfe2
POST
H2
204
collect
stats.g.doubleclick.net/g/
0
559 B
441ms
149ms
Ping
text/plain
142.251.127.157
Google LLC
General
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-QSLSW7WENJ&cid=747780916.1775566156&gtm=45je6431v887995369z876383371za20gzb76383371zd76383371&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115938465~115938468~116991816~117884344~118131808
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-QSLSW7WENJ&cx=c&gtm=4e6431
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.127.157 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
lcfrai-in-f157.1e100.net
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:146:0
report-to
{"group":"ascnsrsggc:146:0","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:146:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://champ.hackers.com
cross-origin-opener-policy-report-only
same-origin; report-to=ascnsrsggc:146:0
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
text/plain
server
Golfe2
GET
H2
200
ga-audiences
www.google.co.il/ads/
42 B
408 B
447ms
153ms
Image
image/gif
142.251.14.94
Google LLC
General
Full URL
https://www.google.co.il/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-QSLSW7WENJ&cid=747780916.1775566156&gtm=45je6431v887995369z876383371za20gzb76383371zd76383371&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115938465~115938468~116991816~117884344~118131808&z=423358013
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.14.94 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f94.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-length
42
date
Tue, 07 Apr 2026 12:49:16 GMT
x-xss-protection
0
content-type
image/gif
server
cafe
GET
H2
200
init Show response
pixelfnt-us.dsp-api.moloco.com/v1/cm/ Frame F3CD
1 KB
2 KB
429ms
241ms
Document
text/html
34.111.130.7
Google LLC
General
Full URL
https://pixelfnt-us.dsp-api.moloco.com/v1/cm/init?source=MOLOCO_PIXEL?mlc_cm
Requested by
Host: cdn-aitg.widerplanet.com
URL: https://cdn-aitg.widerplanet.com/js/wp_astg_4.0.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.111.130.7 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
Reverse DNS
7.130.111.34.bc.googleusercontent.com
Software
/
Resource Hash
8635d0dd92a1d9dab1e3c8343f5abe69738c257aa355549b627695b699d77f20

Request headers

Referer
https://champ.hackers.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1063
content-type
text/html; charset=utf-8
date
Tue, 07 Apr 2026 12:49:16 GMT
via
1.1 google
GET

storage
astg.widerplanet.com/delivery/ Frame 27A1
0
0


GET

wpc.php
astg.widerplanet.com/delivery/
0
0


POST
H3
200
events Show response
pixelfnt-us.dsp-api.moloco.com/v1/pixels/moloco/
2 B
20 B
336ms
242ms
Fetch
application/json
34.111.130.7
Google LLC
General
Full URL
https://pixelfnt-us.dsp-api.moloco.com/v1/pixels/moloco/events?pixel_id=nxt-squidpxl
Requested by
Host: cdn-aitg.widerplanet.com
URL: https://cdn-aitg.widerplanet.com/js/wp_astg_4.0.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
34.111.130.7 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
Reverse DNS
7.130.111.34.bc.googleusercontent.com
Software
/
Resource Hash
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
Content-Type
application/json
sec-ch-ua-mobile
?0

Response headers

grpc-metadata-trailer
Grpc-Status, Grpc-Message, Grpc-Status-Details-Bin
access-control-allow-credentials
true
grpc-metadata-content-type
application/grpc
via
1.1 google
access-control-allow-origin
https://champ.hackers.com
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
application/json
OPTIONS
H2
200
events
pixelfnt-us.dsp-api.moloco.com/v1/pixels/moloco/ Frame
0
0
419ms
236ms
Preflight
34.111.130.7
Google LLC
General
Full URL
https://pixelfnt-us.dsp-api.moloco.com/v1/pixels/moloco/events?pixel_id=nxt-squidpxl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.111.130.7 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US),
Reverse DNS
7.130.111.34.bc.googleusercontent.com
Software
/
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://champ.hackers.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
Content-Type,Accept,Authorization,Origin,X-API-Key
access-control-allow-methods
GET,HEAD,POST,PUT,DELETE,PATCH
access-control-allow-origin
https://champ.hackers.com
alt-svc
h3=":443"; ma=2592000
content-length
0
date
Tue, 07 Apr 2026 12:49:16 GMT
via
1.1 google
GET

tcs.js
cdn.onetag.co.kr/0/
0
0


GET
H2
200
syncframe Show response
gum.criteo.com/ Frame 7622
12 KB
5 KB
453ms
145ms
Document
text/html
178.250.1.12
ASN-CRITEO-EUROPE...
General
Full URL
https://gum.criteo.com/syncframe?topUrl=champ.hackers.com&origin=onetag
Requested by
Host: static.criteo.net
URL: https://static.criteo.net/js/ld/ld.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
178.250.1.12 , France, ASN44788 (ASN-CRITEO-EUROPE Criteo Technology SAS, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
1abf1259ed6960f067a0c9110ae30853ead6b27d66c5a02f4a7e770481129166
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

Referer
https://champ.hackers.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

cache-control
private, max-age=3600
content-encoding
gzip
content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Tue, 07 Apr 2026 12:49:16 GMT
server
Kestrel
server-processing-duration-in-ticks
293942
strict-transport-security
max-age=31536000; preload;
vary
Accept-Encoding
x-robots-tag
noindex
GET
H3
200
/ Show response
googleads.g.doubleclick.net/pagead/viewthroughconversion/977208835/
6 KB
2 KB
311ms
161ms
Script
text/javascript
142.251.110.154
Google LLC
General
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/977208835/?random=1775566156448&cv=11&fst=1775566156448&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&rfmt=3&fmt=4
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-977208835&cx=c&gtm=4e6431
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.110.154 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
bz-in-f154.1e100.net
Software
cafe /
Resource Hash
0e3a6249f473562012a5f6cec4d7a7c67b1f418c5f208d8f4ff28fdf166863b1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
no-cache, must-revalidate
timing-allow-origin
*
content-encoding
br
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
content-length
2359
date
Tue, 07 Apr 2026 12:49:16 GMT
x-xss-protection
0
content-type
text/javascript; charset=UTF-8
content-disposition
attachment; filename="f.txt"
server
cafe
GET
H2
200
/
www.google.co.il/rmkt/collect/977208835/
Redirect Chain
  • https://www.google.com/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3...
  • https://www.google.co.il/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3...
0
0
154ms
153ms
Fetch
text/html
142.251.14.94
Google LLC
General
Full URL
https://www.google.co.il/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&gcp=5&ipr=y
Protocol
H2
Server
142.251.14.94 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f94.1e100.net
Software
/
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Referer
https://champ.hackers.com/

Response headers

Redirect headers

content-security-policy
script-src 'none'; object-src 'none'
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
location
https://www.google.co.il/rmkt/collect/977208835/?random=1775566156448&cv=11&fst=1775566156448&fmt=8&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&gcp=5&ipr=y
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-length
0
date
Tue, 07 Apr 2026 12:49:16 GMT
x-xss-protection
0
content-type
text/html; charset=UTF-8
server
cafe
POST
H3
200
collect
www.google.com/ccm/
0
0
154ms
153ms
Fetch
text/plain
142.251.156.119
Google LLC
General
Full URL
https://www.google.com/ccm/collect?frm=0&ae=g&dl=https%3A%2F%2Fchamp.hackers.com%2F&scrsrc=www.googletagmanager.com&rnd=1228211224.1775566156&dt=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&auid=601124036.1775566156&navt=n&npa=0&_tu=CA&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&apve=1&apvf=f&apvc=0&tids=AW-977208835&tid=AW-977208835&tft=1775566156473&tfd=9286
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-977208835&cx=c&gtm=4e6431
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.156.119 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
/
Resource Hash

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

GET

pixel
cm.g.doubleclick.net/ Frame F3CD
0
0


GET

rum
dsum-sec.casalemedia.com/ Frame F3CD
Redirect Chain
  • https://dsum-sec.casalemedia.com/rum?cm_dsp_id=19&external_user_id=a4a70fef-6337-4931-ad75-4e9c6b4800fa
  • https://dsum-sec.casalemedia.com/rum?cm_dsp_id=19&external_user_id=a4a70fef-6337-4931-ad75-4e9c6b4800fa&C=1
0
0


GET

match
act.ds.kakao.com/ Frame F3CD
0
0


GET

tap.php
pixel.rubiconproject.com/ Frame F3CD
0
0


GET

Pug
simage2.pubmatic.com/AdServer/ Frame F3CD
0
0


GET

/
sync.taboola.com/sg/molocortbnative-network/1/rtb-h/ Frame F3CD
0
0


GET
H2
200
json Show response
gum.criteo.com/sid/ Frame 7622
433 B
903 B
145ms
145ms
Fetch
application/json
178.250.1.12
ASN-CRITEO-EUROPE...
General
Full URL
https://gum.criteo.com/sid/json?origin=onetag&domain=hackers.com&sn=ChromeSyncframe&so=undefined&topUrl=champ.hackers.com
Requested by
Host: gum.criteo.com
URL: https://gum.criteo.com/syncframe?topUrl=champ.hackers.com&origin=onetag
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
178.250.1.12 , France, ASN44788 (ASN-CRITEO-EUROPE Criteo Technology SAS, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
a0d00b558aeac9115daf713217f2dea59054598ae502ceced0db9a72809b1549
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://gum.criteo.com/syncframe?topUrl=champ.hackers.com&origin=onetag
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

strict-transport-security
max-age=31536000; preload;
cache-control
no-cache, no-store, must-revalidate
content-encoding
gzip
pragma
no-cache
server-processing-duration-in-ticks
818015
expires
0
date
Tue, 07 Apr 2026 12:49:16 GMT
content-type
application/json; charset=utf-8
vary
Accept-Encoding
server
Kestrel
GET
H3
200
/
www.google.com/pagead/1p-user-list/977208835/
42 B
64 B
178ms
178ms
Image
image/gif
142.251.156.119
Google LLC
General
Full URL
https://www.google.com/pagead/1p-user-list/977208835/?random=1775566156448&cv=11&fst=1775563200000&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&rfmt=3&fmt=3&is_vtc=1&cid=CAQSsAEABaugffLAjBUoxKZvCGp4AYdblclZ5nhYSsMg8XEM_jinLEFjzlXRnRgl0AKF7e3aldd9dB53Yj0C3VMkNTpT53kFM_Ug9MSF0pP-SdPK59AIzzKu9BpRtDWhrUPKexROy6nrZLQ_wAbuXRUq1-U5uuIE0DtzmlmvAPSMS76a_r8F3qJ-qzf90MFa9VaOHvtozSWaCp7ApzVy4xGuFLe3hb0ZaXm8_Vl9Wg0ChVLLLw&random=671759823&rmt_tld=0&ipr=y
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.156.119 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-security-policy
script-src 'none'; object-src 'none'
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-length
42
date
Tue, 07 Apr 2026 12:49:16 GMT
x-xss-protection
0
content-type
image/gif
server
cafe
GET
H3
200
/
www.google.co.il/pagead/1p-user-list/977208835/
42 B
64 B
159ms
159ms
Image
image/gif
142.251.14.94
Google LLC
General
Full URL
https://www.google.co.il/pagead/1p-user-list/977208835/?random=1775566156448&cv=11&fst=1775563200000&bg=ffffff&guid=ON&async=1&gtm=45be6431v885980185z876383371za20gzb76383371zd76383371xea&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~116991816~118131810~118441899&u_w=1600&u_h=1200&url=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&frm=0&tiba=%ED%86%A0%EC%9D%B5%EC%9D%B8%EA%B0%951%EC%9C%84%20%ED%95%B4%EC%BB%A4%EC%8A%A4%20%EC%B1%94%ED%94%84%EC%8A%A4%ED%84%B0%EB%94%94&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=601124036.1775566156&uaa=x86&uab=64&uafvl=Chromium%3B146.0.0.0%7CGoogle%2520Chrome%3B146.0.0.0%7CNot-A.Brand%3B24.0.0.0&uamb=0&uam=&uap=Linux&uapv=&uaw=0&_tu=CA&rfmt=3&fmt=3&is_vtc=1&cid=CAQSsAEABaugffLAjBUoxKZvCGp4AYdblclZ5nhYSsMg8XEM_jinLEFjzlXRnRgl0AKF7e3aldd9dB53Yj0C3VMkNTpT53kFM_Ug9MSF0pP-SdPK59AIzzKu9BpRtDWhrUPKexROy6nrZLQ_wAbuXRUq1-U5uuIE0DtzmlmvAPSMS76a_r8F3qJ-qzf90MFa9VaOHvtozSWaCp7ApzVy4xGuFLe3hb0ZaXm8_Vl9Wg0ChVLLLw&random=671759823&rmt_tld=1&ipr=y
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.14.94 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
pm-in-f94.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://champ.hackers.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

content-security-policy
script-src 'none'; object-src 'none'
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
pragma
no-cache
cross-origin-resource-policy
cross-origin
x-content-type-options
nosniff
expires
Fri, 01 Jan 1990 00:00:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-length
42
date
Tue, 07 Apr 2026 12:49:16 GMT
x-xss-protection
0
content-type
image/gif
server
cafe
GET

event
sslwidget.criteo.com/
0
0


GET
H2
200
foot_slide1_03.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
4 KB
384ms
381ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_03.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
6167127175bc26b26ad472395ce9a772d22380bfa5824309f8fbcb32debb1e19

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4f-113b"
age
112000
accept-ranges
bytes
content-length
4411
date
Tue, 07 Apr 2026 12:49:18 GMT
last-modified
Thu, 06 Oct 2022 11:43:11 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_2026_sd14.png
cdn.hackers.ac/srv/images/common/footer/slide/ Frame 9334
25 KB
26 KB
188ms
185ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/srv/images/common/footer/slide/foot_2026_sd14.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
8ddd2d38c66daf618ade2b26bd6807a07872ee342b1aecc3bf648e7e05226e73

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
ouDZRR7WWesDQ0re6MSlsA2yS6mcYAmC
etag
"09871dbefdcbbfa6b566b041ee600bd7"
age
1908
x-cache
Hit from cloudfront
x-amz-cf-id
akWaHUEJHkbY4xQ6ySNkQ4dMaeT1TK9qIiMFWWuiAIs2PTGK6UUDTQ==
date
Tue, 07 Apr 2026 12:17:31 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Thu, 22 Jan 2026 04:17:03 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''foot_2026_sd14.png
via
1.1 27cdec4bbea3c020f504b2062d4e122c.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
25607
x-amz-meta-original-filename
foot_2026_sd14.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
foot_2026_sd15.png
cdn.hackers.ac/srv/images/common/footer/slide/ Frame 9334
17 KB
18 KB
272ms
270ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/srv/images/common/footer/slide/foot_2026_sd15.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
84855a0b084edf5a81d387f307e4f01a7dc090e92a2a67911f0471396a94c2cf

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
mBqpaKynWYLqhqHllamm0v6Hgw_fHAS8
etag
"727c08887b83347bd2746fe40a67d50e"
age
1908
x-cache
Hit from cloudfront
x-amz-cf-id
6Gmw-1pxbBXFhtKS7hvg1m3N17K8QQiELYubiCXk3mD9Mli_ZyZnhg==
date
Tue, 07 Apr 2026 12:17:31 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Thu, 22 Jan 2026 04:17:03 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''foot_2026_sd15.png
via
1.1 27cdec4bbea3c020f504b2062d4e122c.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
17663
x-amz-meta-original-filename
foot_2026_sd15.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
foot_2026_sd16.png
cdn.hackers.ac/srv/images/common/footer/slide/ Frame 9334
15 KB
16 KB
311ms
308ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/srv/images/common/footer/slide/foot_2026_sd16.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
90a05a8d71cf30a9a75ca8688d31b0869b18566244eb0d24d8997c121c917c37

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
cMdHW.sd8N7VpjPkCpCAdYVP74U0OaPZ
etag
"eb7425ffc2888877524e1ccb7253754a"
age
1908
x-cache
Hit from cloudfront
x-amz-cf-id
eXzA_fy6_tLVR_fT4KhTjCFoQ7ttylcohvqdVP_R9JoZ4_yvQGs4vQ==
date
Tue, 07 Apr 2026 12:17:31 GMT
content-type
image/png
vary
Accept-Encoding
last-modified
Thu, 22 Jan 2026 04:17:03 GMT
x-amz-meta-content-type
image/png
content-disposition
inline; filename*=UTF-8''foot_2026_sd16.png
via
1.1 27cdec4bbea3c020f504b2062d4e122c.cloudfront.net (CloudFront)
accept-ranges
bytes
content-length
15379
x-amz-meta-original-filename
foot_2026_sd16.png
x-amz-cf-pop
FRA60-P9
server
AmazonS3
x-amz-server-side-encryption
AES256
GET
H2
200
foot_slide2_1.png
cdn.hackers.ac/upload-kt/haca_img/images/common/footer/ Frame 9334
8 KB
8 KB
326ms
323ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/upload-kt/haca_img/images/common/footer/foot_slide2_1.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
684a0b8c21d6931e7d60be54ef7ee190cf4cd7d9970453682d5cc54806530317

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
QerLTgcyNKt6AbrJR4O8fVj29x1962gz
etag
"cebaf38daf58375e03ed0c9f748a40dc"
age
1908
via
1.1 27cdec4bbea3c020f504b2062d4e122c.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
8009
x-amz-cf-id
jscqw9SEHJ3euK1y8_1jtJ9k9zw5QtToJn4MYR9xdccwQUXbqEbhoA==
date
Tue, 07 Apr 2026 12:24:14 GMT
content-type
image/png
last-modified
Tue, 06 Feb 2024 09:13:53 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
foot_slide2_2.png
cdn.hackers.ac/upload-kt/haca_img/images/common/footer/ Frame 9334
8 KB
8 KB
337ms
335ms
Image
image/png
13.33.187.80
Amazon.com
General
Full URL
https://cdn.hackers.ac/upload-kt/haca_img/images/common/footer/foot_slide2_2.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.33.187.80 New York, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
server-13-33-187-80.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
824a82d095785e57ab9cc3f058fd13f088bcf38a064504696172228e42436fab

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

x-amz-version-id
eqvfK069qQA_m7qktbvYLXXuuJMvv4Jv
etag
"8ff9ccda5f587e63fe571b287eea871d"
age
1908
via
1.1 27cdec4bbea3c020f504b2062d4e122c.cloudfront.net (CloudFront)
accept-ranges
bytes
x-cache
Hit from cloudfront
content-length
8106
x-amz-cf-id
fB7LqOEbVy097Moy3DKou2oPzcwPYqRqrtG7dWBStHFf4hb93Up91A==
date
Tue, 07 Apr 2026 12:24:15 GMT
content-type
image/png
last-modified
Tue, 06 Feb 2024 09:13:53 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P9
x-amz-server-side-encryption
AES256
GET
H2
200
foot_slide1_B.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
0
1ms
1ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_B.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
1a691ff5761a978ddcd744db8989b773f47f6ca4970d98d9f7d9412d810e0f54

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf51-f9b"
age
40086
accept-ranges
bytes
content-length
3995
date
Tue, 07 Apr 2026 12:49:14 GMT
last-modified
Thu, 06 Oct 2022 11:43:13 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_slide1_01.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
0
1ms
1ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_01.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
259b56825ce79002ebcd54f08b6ba550dd062b068ea4c2941fda22ec13e76c77

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4e-11bf"
age
116830
accept-ranges
bytes
content-length
4543
date
Tue, 07 Apr 2026 12:49:14 GMT
last-modified
Thu, 06 Oct 2022 11:43:10 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_slide3_06.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
0
1ms
1ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide3_06.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
cf3b6f888cbe4c3503bc9df219517d12c0e039c2399c8ee88629ec311cd96b4a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4e-100f"
age
96032
accept-ranges
bytes
content-length
4111
date
Tue, 07 Apr 2026 12:49:14 GMT
last-modified
Thu, 06 Oct 2022 11:43:10 GMT
content-type
image/png
server
nginx
GET
H2
200
foot_slide1_02.png
gscdn.hackers.co.kr/hacademia/images/common/footer/ Frame 9334
4 KB
0
2ms
2ms
Image
image/png
39.125.94.20
SKB-AS SK Broadba...
General
Full URL
https://gscdn.hackers.co.kr/hacademia/images/common/footer/foot_slide1_02.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
39.125.94.20 , Korea, Republic Of, ASN9318 (SKB-AS SK Broadband Co Ltd, KR),
Reverse DNS
Software
nginx /
Resource Hash
3a6f1ba5fd838932c4b8f186c1b2876edb72d53d4aa80cda75e2750b7adb9d7a

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://www.hackers.ac/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="146", "Google Chrome";v="146", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

etag
"633ebf4f-107b"
age
109291
accept-ranges
bytes
content-length
4219
date
Tue, 07 Apr 2026 12:49:14 GMT
last-modified
Thu, 06 Oct 2022 11:43:11 GMT
content-type
image/png
server
nginx

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
gscdn.hackers.co.kr
URL
https://gscdn.hackers.co.kr/champ/blank.gif
Domain
astg.widerplanet.com
URL
https://astg.widerplanet.com/delivery/storage
Domain
astg.widerplanet.com
URL
https://astg.widerplanet.com/delivery/wpc.php?v=1&ver=4.0&r=1&md=bs&ga=1kt9vac-m94epk-1-1&ty=Home&ti=18501&is_email=false&puid_md5=37a6259cc0c1dae299a7866489dff0bd&puid_sha1=2be88ca4242c76e8253ac62474851065032d6833&puid_sha256=74234e98afe7498fb5daf1f36ac2d78acc339464f950703b8c019892f982b90b&hcuid=2be88ca4242c76e8253ac62474851065032d6833&device=web&charset=UTF-8&tc=1775566156199&loc=https%3A%2F%2Fchamp.hackers.com%2F%3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002&amver=20260213035406
Domain
cdn.onetag.co.kr
URL
https://cdn.onetag.co.kr/0/tcs.js?eid=qhkiuivucfn4qhkiuivucf
Domain
cm.g.doubleclick.net
URL
https://cm.g.doubleclick.net/pixel?google_nid=moloco_ads&google_cm&google_hm=pKcP72M3STGtdU6ca0gA-g
Domain
dsum-sec.casalemedia.com
URL
https://dsum-sec.casalemedia.com/rum?cm_dsp_id=19&external_user_id=a4a70fef-6337-4931-ad75-4e9c6b4800fa&C=1
Domain
act.ds.kakao.com
URL
https://act.ds.kakao.com/match?d=110&uid=pKcP72M3STGtdU6ca0gA-g
Domain
pixel.rubiconproject.com
URL
https://pixel.rubiconproject.com/tap.php?v=1552048&nid=5676&put=pKcP72M3STGtdU6ca0gA-g
Domain
simage2.pubmatic.com
URL
https://simage2.pubmatic.com/AdServer/Pug?vcode=bz0yJnR5cGU9MSZjb2RlPTM4OTQmdGw9MjAxNjA=&piggybackCookie=pKcP72M3STGtdU6ca0gA-g
Domain
sync.taboola.com
URL
https://sync.taboola.com/sg/molocortbnative-network/1/rtb-h/?taboola_hm=pKcP72M3STGtdU6ca0gA-g
Domain
sslwidget.criteo.com
URL
https://sslwidget.criteo.com/event?a=12388&v=5.45.0&p0=e%3Dce%26m%3D%255B%255D&p1=e%3Dexd%26site_type%3Dd&p2=e%3Dvh&p3=e%3Ddis&bundle=TuVupV9VT3p6QkVSODQ1ZkZreDNBSnpqakFiSVBSblRwY1clMkZ6MEZNRW9kU3BocFl5Zk93UXNNJTJCRTFiRnRLZlNQTWdmUzJNc0FZU2xCSHJLaTI0VUYwQ0FNWCUyQmdIJTJCdlBOQ1FKcjRaMUdCNmMlMkI1aUNaSHpzRmlpeldmdFZSZTFoRHZEblQwYXhDeHNrTGJ5azRiR3ZMOTRqJTJGMEElM0QlM0Q&tld=hackers.com&fu=https%253A%252F%252Fchamp.hackers.com%252F%253Fr%253Dchampstudy%2526c%253Dlecture%252Flec_foreign%2526cate1_nm%253D%2525EC%2525A0%25259C2%2525EC%252599%2525B8%2525EA%2525B5%2525AD%2525EC%252596%2525B4%2526cate2_cd%253Dsf013016%2526cate3_cd%253D%2526tc_id%253D%2526tc_chk_id%253D%2526book_id%253D%2526level%253Dsf013016%2526_C_%253D245656%2526utm_source%253Dhaccom%2526utm_medium%253Dmain_gate%2526utm_campaign%253Dchamp_second_vietnameselec%2526utm_content%253D202002&ceid=09ba47e6-a341-4d16-8685-63f8cb3aa83f

Verdicts & Comments Add Verdict or Comment

243 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| 3 object| 4 object| 5 string| __h_r string| __h_m object| data object| dataLayer object| misagotools object| mtools object| hackerstools object| htools object| h object| H object| config object| autoMap function| $ function| jQuery string| rooturl string| rooturl_pc string| rootssl string| rootssl_pc string| raccount string| moduleid string| integration_join_url function| getId function| goHref function| chkIdValue function| chkFnameValue function| chkEmailAddr function| isUrlValid function| OpenWindow function| isLogin function| setCookie function| getCookie function| getEventXY function| getFileExt function| getOfs function| getJosa function| getTypeCheck function| commaSplit function| priceFormat function| numFormat function| getJeolsa function| filterNum function| getPageLink function| getPageGo function| getUriString function| getUrlParam function| getDateFormat function| chkFlag function| checkboxChoice function| checkKeycode function| getHttprequest function| getAjaxFilterString function| getAjaxData function| getIframeForAction function| hrefCheck function| modalSetting function| getSubLayout function| sessionSetting function| btnFormSubmit function| getPopover function| getContext function| __showLoading function| __hideLoading function| alarm function| makeFlash function| getIEVer function| isCHROME function| isMobile function| validation_coupon object| __globalBxslider object| exceptElements object| sliderObserver object| jQuery1112009157049674857665 function| layer_open function| lypop_close function| goLoginLayer function| goLogin function| toggleSet function| detailTab function| FigureMove function| remote_service function| top_line_layer function| js_quick function| tooltipHover function| coverScreen function| showLayer function| hideLayer function| startMainMovOpen function| startMainMovClose1 function| youtubeIframeShow function| youtubeIframeHide function| video_open object| HACKER_FAMILY object| HACKER_FAMILY_MENU function| topSliderPrev function| topSliderNext function| goPassLecture function| goEnrollCate function| setCateEvent function| goSmartLecture function| goSmartBook function| goSmartCate1 function| goSmartCate2 function| goSmartCatePart function| goSmartCate3 function| goSmartLectureList function| goSmartBookList function| goSmartReset function| goLectureSample function| smart_buy function| goClassRoom function| getListRecentClass function| bookmarksite function| closeWin function| lazy_move_top function| goTopSearch function| get_attend_list_preview function| get_attend_list function| reload function| user_coupon function| goAppStore function| initRecentVisitedPage function| deleteVisitedPage function| loadVisitedList function| scrollText function| quickListSetCss number| page string| cate_id_list_cnt string| book_id_empty number| search_max_row function| checkAll function| goOptionSearch function| goPartList function| goTeacherList function| goBookList function| goOptReset function| goLectureList function| goLectureNextList function| goOrder function| goOrder2 function| goCart function| goSampleLecture function| directSmsAlarm function| setOrderType function| coupon_save function| give_cpn function| q_hidden function| q_cookie_make function| setOrderTypeInBanner function| goOrderInBanner function| pop_main_hidden function| made_cookie function| check_today_open function| popup_clear object| btn_coupon object| tag object| firstScriptTag object| youtube_api_player function| onYouTubeIframeAPIReady function| youtube_api_allpause function| widget_movie_allpause function| widgets_add_class function| widget_movie_youtube_stop object| hisAPIUtil string| j object| slider object| tmp object| scriptUrl object| ttPolicy object| YT object| YTConfig function| onYTReady string| _a number| li_length_num object| google_tag_manager function| postscribe object| google_tag_manager_external object| google_tag_data object| __beusablerumclient__ object| wptg_tagscript_vars string| _TRK_CP string| _TRK_CC string| _TRK_LID string| _L_TD string| _TRK_DOMAIN boolean| _trk_bJS12 function| _trk_escape function| _trk_setCookie function| _trk_getCookie function| _trk_getParameter function| getNewSID function| _trk_make_code number| _TRK_LIFE string| _TRK_CC_P number| _SS_LIFE number| _TRK_EX string| _TRK_UID number| _TRK_VN string| _TRK_SID string| _TRK_CQ string| tdu string| _TRK_CQ_S string| _trk_code_base object| _trk_img_base object| _trk_img_base_click function| _trk_flashEnvView function| _trk_flashContentsView function| _trk_clickTrace function| _trk_adClick function| _trk_adClickImpress string| tURL string| bEncURI object| gaGlobal function| mlc_isAllowedDomain function| mlc_getParamValueByName function| mlc_extractUtmParamsFromQueryParam function| mlc_getDeviceInfo function| mlc_getPixelId function| mlc_buildEventParams function| mlc_generateUUID function| mlc_sendEvent function| mlc_DoCookieInit string| amver object| WiderPlanetCryptoJS string| MLC_COOKIE_INIT_URL string| MLC_PIXEL_ID string| MLC_REPORT_ENDPOINT object| UTM_PARAM_KEYS object| mlcpctx_sq object| wptg_tagscript_history object| wptg_tagscript boolean| is_local_storage string| param_key object| rqDataRow object| Criteo object| cto_csm_CspLogger object| criteo_q object| GooglebQhCsO

26 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path Expires Name / Value
.hackers.com/ 1969-12-31
23:59:59
Name: PHPSESSID
Value: feuvjs31c3qe9d6msgp9r1k137
.youtube.com/ 1969-12-31
23:59:59
Name: YSC
Value: CTfhbQz4Oqg
.youtube.com/ 1970-01-21
17:31:58
Name: VISITOR_INFO1_LIVE
Value: 7EndHnDZuRs
.youtube.com/ 1970-01-21
17:31:58
Name: VISITOR_PRIVACY_METADATA
Value: CgJJTBIEGgAgVQ%3D%3D
.youtube.com/ 1970-01-21
17:31:58
Name: __Secure-ROLLOUT_TOKEN
Value: CNLwhuWGjfaxIBD79qyt49uTAxj9ytSt49uTAw%3D%3D
.hackers.com/ 1970-01-21
15:22:22
Name: _gcl_au
Value: 1.1.601124036.1775566156
.hackers.com/ 1970-01-21
13:12:47
Name: utm_campaign
Value: champ_second_vietnameselec
.hackers.com/ 1970-01-21
13:12:47
Name: utm_source
Value: haccom
.hackers.com/ 1970-01-21
13:12:47
Name: utm_medium
Value: main_gate
.hackers.com/ 1970-01-21
13:12:47
Name: utm_content
Value: 202002
.hackers.com/ 1970-01-21
13:12:47
Name: utm_term
Value:
champ.hackers.com/ 1970-01-21
13:32:55
Name: _TRK_CC
Value: 245656
champ.hackers.com/ 1970-01-21
13:12:47
Name: _TRK_EX
Value: 1
champ.hackers.com/ 1970-01-21
22:48:46
Name: _TRK_UID
Value: ae7437e5b7c20fd298293de41daeb90b:1
champ.hackers.com/ 1970-01-21
13:12:47
Name: _TRK_SID
Value: ad2abfb113ce1fb09e4665b84c4375b5
champ.hackers.com/ 1970-01-21
13:32:55
Name: _TRK_CQ
Value: %3Fr%3Dchampstudy%26c%3Dlecture%2Flec_foreign%26cate1_nm%3D%25EC%25A0%259C2%25EC%2599%25B8%25EA%25B5%25AD%25EC%2596%25B4%26cate2_cd%3Dsf013016%26cate3_cd%3D%26tc_id%3D%26tc_chk_id%3D%26book_id%3D%26level%3Dsf013016%26_C_%3D245656%26utm_source%3Dhaccom%26utm_medium%3Dmain_gate%26utm_campaign%3Dchamp_second_vietnameselec%26utm_content%3D202002
.hackers.com/ 1970-01-21
22:48:46
Name: _ga
Value: GA1.1.747780916.1775566156
.hackers.com/ 1970-01-21
22:48:46
Name: _ga_QSLSW7WENJ
Value: GS2.1.s1775566155$o1$g0$t1775566155$j60$l0$h0
.moloco.com/ 1970-01-21
21:58:22
Name: mlcwc
Value: eyJ2ZXJzaW9uIjoxLCJwYXlsb2FkIjoiQVU5eUFER1RFbHhmY3lsSzAySmxRQ0pyWW50NGJzSUJzOGdKMVhyamk2T2dLL05USERNZk5LcWl2bDlkZFJXanNFbFJvY3RCS1VpdkRDZVUrc3RsTjJRYzJuTG9RNzdaTmtRdk5ySWY0SGpDK24wNFZKL2VZQVQyaCtxZGQ0UlBMalhEcGZKN2xwbGZxSUtRWUFxMXpyd21Ub0oreHdZdmM5bVMvNUZNTDdsdXI3anBJVFJWUVplajgvZHpOS2JQcTJjMEUrT29FbmNZNkdFcHNvTjk0SGdlZlVoVkdzS3dpNGw4Z3BOekZIYzRsUW5mc3lBN2RiVlZaWXdLdnlOY2JBL0g4dz09Iiwibm9uY2UiOiJLTEMrZGNuZS9sSUJPMnFUIn0
.criteo.com/ 1970-01-21
22:34:22
Name: uid
Value: 45de7cb4-6ead-4b10-a655-024731f663fc
.doubleclick.net/ 1970-01-21
13:12:47
Name: test_cookie
Value: CheckForPermission
.criteo.com/ 1970-01-21
22:34:22
Name: cto_bundle
Value: BRJY319EQXN0JTJCWWRaTXRMJTJCd3hyQ1JFJTJGc1B0JTJCVHRoaVJwakVMOFFya1dhYUdEc0FodnBRU0x1bERja0RKZk1RVDFBJTJCMzlDQmR5TmxxWFdRaE9JRWJ3SW9EVFc0eDlTeUpCdExFOFpiNkxkMWdHdEtvanp5dmdEOGtBQ3JpNTQ1RHJTWTRQbDJhR3JqcmtUbVBXRCUyRjk3VXRpJTJGdyUzRCUzRA
.hackers.com/ 1970-01-21
22:42:10
Name: cto_bundle
Value: TuVupV9VT3p6QkVSODQ1ZkZreDNBSnpqakFiSVBSblRwY1clMkZ6MEZNRW9kU3BocFl5Zk93UXNNJTJCRTFiRnRLZlNQTWdmUzJNc0FZU2xCSHJLaTI0VUYwQ0FNWCUyQmdIJTJCdlBOQ1FKcjRaMUdCNmMlMkI1aUNaSHpzRmlpeldmdFZSZTFoRHZEblQwYXhDeHNrTGJ5azRiR3ZMOTRqJTJGMEElM0QlM0Q
.casalemedia.com/ 1970-01-21
21:58:22
Name: CMID
Value: adT9TIsFVV8AEbd4AExFKwAA
.casalemedia.com/ 1970-01-21
15:22:22
Name: CMPS
Value: 4775
.casalemedia.com/ 1970-01-21
15:22:22
Name: CMPRO
Value: 4775

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source Level URL
Text
rendering warning URL: https://www.youtube.com/embed/VOfu-WzLcNI?rel=0&enablejsapi=1
Message:
[GroupMarkerNotSet(crbug.com/242999)!:A0A0A50C84100000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader (about:flags#enable-unsafe-swiftshader) flag to opt in to lower security guarantees for trusted content.

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

act.ds.kakao.com
analytics.google.com
astg.widerplanet.com
cdn-aitg.widerplanet.com
cdn.hackers.ac
cdn.hackers.com
cdn.hackersut.com
cdn.onetag.co.kr
champ.hackers.com
cm.g.doubleclick.net
dsum-sec.casalemedia.com
fonts.gstatic.com
googleads.g.doubleclick.net
gscdn.hackers.co.kr
gum.criteo.com
i.ytimg.com
jnn-pa.googleapis.com
pixel.rubiconproject.com
pixelfnt-us.dsp-api.moloco.com
rum.beusable.net
simage2.pubmatic.com
sslwidget.criteo.com
static.criteo.net
static.doubleclick.net
stats.g.doubleclick.net
sync.taboola.com
weblog.hackers.ac
www.google.co.il
www.google.com
www.googletagmanager.com
www.hackers.ac
www.youtube.com
act.ds.kakao.com
astg.widerplanet.com
cdn.onetag.co.kr
cm.g.doubleclick.net
dsum-sec.casalemedia.com
gscdn.hackers.co.kr
pixel.rubiconproject.com
simage2.pubmatic.com
sslwidget.criteo.com
sync.taboola.com
1.248.254.84
13.32.121.82
13.33.187.76
13.33.187.80
142.250.154.97
142.251.110.154
142.251.110.156
142.251.110.94
142.251.127.157
142.251.127.95
142.251.13.113
142.251.13.149
142.251.14.190
142.251.14.94
142.251.141.78
142.251.150.119
142.251.156.119
142.251.20.119
178.250.1.12
178.250.1.39
18.245.60.129
184.30.134.158
34.111.130.7
39.125.94.20
43.202.225.11
43.202.244.3
99.84.152.22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