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polygon.codeforces.com Open in urlscan Pro
2606:4700:20::681a:7a4  Public Scan

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Submitted URL: http://polygon.codeforces.com/
Effective URL: https://polygon.codeforces.com/
Submission: On May 18 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 36 HTTP transactions. The main IP is 2606:4700:20::681a:7a4, located in United States and belongs to CLOUDFLARENET, US. The main domain is polygon.codeforces.com.
TLS certificate: Issued by GTS CA 1P5 on March 26th 2024. Valid for: 3 months.
This is the only time polygon.codeforces.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 36 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
36 2
Apex Domain
Subdomains		 Transfer
36 codeforces.com
polygon.codeforces.com
206 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 804
7 KB
36 2
Domain Requested by
36 polygon.codeforces.com 1 redirects polygon.codeforces.com
static.cloudflareinsights.com
1 static.cloudflareinsights.com polygon.codeforces.com
36 2

This site contains links to these domains. Also see Links.

Domain
docs.google.com
github.com
Subject Issuer Validity Valid
codeforces.com
GTS CA 1P5		 2024-03-26 -
2024-06-24		 3 months crt.sh
cloudflareinsights.com
GTS CA 1P5		 2024-05-08 -
2024-08-06		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://polygon.codeforces.com/
Frame ID: 64A192E387BE0F95BE2E1453F4AA639A
Requests: 34 HTTP requests in this frame

Frame: https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
Frame ID: BBB92CB45E2AEC7DC0E2FBCC6E849149
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Index Page - Polygon

Page URL History Show full URLs

  1. http://polygon.codeforces.com/ HTTP 307
    https://polygon.codeforces.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • clipboard(?:-([\d.]+))?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • /(?:([\d.])+/)?highlight(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

36
Requests

97 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

213 kB
Transfer

631 kB
Size

3
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://polygon.codeforces.com/ HTTP 307
    https://polygon.codeforces.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 31
  • https://polygon.codeforces.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js

36 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
polygon.codeforces.com/
Redirect Chain
  • http://polygon.codeforces.com/
  • https://polygon.codeforces.com/
18 KB
5 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fd01e0f063e0ada998eec04ea4d63c024106655247044def78806743e035970a
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

cache-control
private,no-cache,no-store,max-age=0,must-revalidate
cf-cache-status
DYNAMIC
cf-ray
885a3ccc5bb58fc8-FRA
content-encoding
br
content-type
text/html;charset=UTF-8
date
Sat, 18 May 2024 07:47:09 GMT
expires
-1
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
pragma
no-cache
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=sux4w8HLE8dfq1gLJ5EqY6wliG7wkXmsFLis4vIRevzt%2BVubJnSLSval10mt%2FmwFDkMbLjKv23QHMOjUTg6%2BFjNNUGqLbVaj5aCfSky4VtyzJe7NVWC8vDOzY%2BT%2FKD0lpULoGvpE03gR9lvDw41VuZOHHyw%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
accept-encoding
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

Location
https://polygon.codeforces.com/
Non-Authoritative-Reason
HttpsUpgrades
common.css
polygon.codeforces.com/css/ 		9 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/common.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2421dbafbd6ef7c04f9d807fc5a51562cbda8e9acd15f7aae52b1a53ac9e6866
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"8957-1715977613808"
vary
accept-encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=DnKOMy%2FOM%2BZ6iM24SqD3j18rDAwqcs45WUkLqf%2FGQsTIFr8sOFn23UrOdyHuOnUV2Ag6hZNL0upCYAs97LTT3mo1vQKuM%2FyVRLrUy0LH5Eofl%2BlfW7aAoYGzqDyDdfRP4WOFQNj4oyi8XD13bdg1lPyKQoQ%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3ccefd558fc8-FRA
x-xss-protection
1; mode=block
markup.css
polygon.codeforces.com/css/ 		2 KB
1000 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/markup.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3c39b93c503279f3470d842237a7fb0837df399a77df9a4933bf4098bb6de285
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"1640-1715977613809"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=bjlBZGsGbaMzd9vaFwilzjv8lVhfMNrs%2Fvnfut6JI9hDMksrJUv05nftWf18aTc152YUi9HLKULxsZPyUvxlULhwa2m8N3FIIYZBjo8D9TiKKvLwwhmWiU%2FNmMXTU0E4cLxQmaP7Fjd9yHu5xP5gieGr3yg%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3ccefd568fc8-FRA
x-xss-protection
1; mode=block
messagebox.css
polygon.codeforces.com/css/ 		964 B
678 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/messagebox.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
703cb71978d5897e78c4c8b139b8ee5d31dcbec656cf9978bc3914abceb0eca9
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"964-1715977613809"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=oCfj%2BjccoXTqrcJRrbPYe77siRzCGvfs6PE9OxSbGSCdwefR50fnKehtyDw0a3HkQq4UsHdqqppEsP5pLARmueoLd6dB1mMnPYkjlv5yc%2BZnudKBFjYAkFgUTeADGzmK8aLvHGkDh7cbH%2Fg%2BpMxfOT9zI2g%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3ccefd588fc8-FRA
x-xss-protection
1; mode=block
jquery.autocomplete.css
polygon.codeforces.com/css/ 		801 B
760 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/jquery.autocomplete.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f7ca2856a83a142efbda42df401a3dacf28640fbe633f0387bc63222189aba00
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"801-1715977613808"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=7DEht8GvvOeRG0mROwMX4ERo%2B%2Bznm0YIGVb%2FGQIXkPpw9Utaplv%2FIUmEjOmS%2FiY%2BzyeFRuDLCU5ypn3Nm9j4HePYlOEe1kGXc%2FF1XLYRCYYRIaBl0cEnyJCrxDbjMRV%2B%2BPxZdVfv5mMofS%2BUv33g6%2F940sA%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3ccefd598fc8-FRA
x-xss-protection
1; mode=block
jquery.textcomplete.css
polygon.codeforces.com/css/ 		467 B
513 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/jquery.textcomplete.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cd4284849a44efa3523b4737c147ab2e5459c6317fd916fd85208930e25020b0
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
br
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"467-1715977613808"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ITbJZT6vubm2DFfn6NA7eL6Si4DC9n0fOfmyPCKm9YJLcOOXsq663A7OiIVO138phEgca0bYvS0Ug29NarEk690pgpwiv%2FGusGKKuTo%2FhCbh0Bwvlm0SdUEktZOeMMEFZWX2aGBsmGceAn5hcyD50Y%2FKxKg%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css;charset=UTF-8
vary
Accept-Encoding
cache-control
max-age=14400
cf-ray
885a3ccefd5a8fc8-FRA
x-xss-protection
1; mode=block
jquery.drafts.css
polygon.codeforces.com/css/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/jquery.drafts.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e1514b09319ee12290433dc93d20378bc778a84f05d28fcd4180f7509b2ed792
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"1834-1715977613808"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=idHZ9xtsBinLuFj3%2BVOnfSfPWe9k1K9nG7zOpot%2F1NtK7fZ1sGsRVD049vXIiRpziVxH9IMr1GFe%2B2xqGEwVo3Styvb9Tc5V3oH0KHRXT%2FT0wtXrmXzTEwp1%2BqdyuqrKIIHXNnhmxxIGipJ5%2BtKCLz%2FFVjg%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3ccefd5b8fc8-FRA
x-xss-protection
1; mode=block
tablesorter.css
polygon.codeforces.com/css/ 		360 B
462 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/tablesorter.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ff12d2fb91d0412a78220a1a8f1f3fc0a4a0b94be3ebb9ac9320fd0ec0089c94
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
br
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"360-1715977613808"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zBJtjKI9AcbyZiU71BLcNG92tDbFnmVcbLiEF2V3xIJ6fbswAdXTIuTs8IYHFv30fx3uCQtYKU0TChCv9I9eQu7YL771ulVKtIjV8GlA6A6GGduCnVa9juqqMUQhfxe4wjtUi5nmYnxy6kFz9tMLng%2BICac%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css;charset=UTF-8
vary
Accept-Encoding
cache-control
max-age=14400
cf-ray
885a3ccefd5c8fc8-FRA
x-xss-protection
1; mode=block
font-awesome.min.css
polygon.codeforces.com/css/ 		23 KB
6 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/font-awesome.min.css?ccid=725b3484202f9e5934c220e0cb37ac64
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
541ac58217a8ade1a5e292a65a0661dc9db7a49ae13654943817a4fbc6761afd
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
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Response headers

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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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nel
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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last-modified
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nel
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content-encoding
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nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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content-encoding
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nel
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https://polygon.codeforces.com/css/hljs/default.min.css?ccid=725b3484202f9e5934c220e0cb37ac64
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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42 KB 		Script
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https://polygon.codeforces.com/js/hljs/highlight.min.js
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sec-ch-ua-platform
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Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
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last-modified
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nel
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https://polygon.codeforces.com/js/hljs/go.min.js
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Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
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last-modified
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nel
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Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
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nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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78 KB 		Script
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https://polygon.codeforces.com/js/jquery-1.8.3.js
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sec-ch-ua-platform
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Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
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last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
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https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"5257-1715977613811"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=jf2g%2BgxEFM%2FNIN75OzVRrZjP8iKEFwXVrKILbs2vUSNu%2B9Q3L6cuSNMLbTLYPTFsKeOZiZfGflpBF0pXHz8eNiuAiQnE07y3mEWMXq7gicSxEmm62iB0KfI65OqAng2YQVr0iN%2FOL3FRhzXuVvT7zTrg17Q%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png;charset=UTF-8
vary
Accept-Encoding
cache-control
max-age=14400
accept-ranges
bytes
cf-ray
885a3ccf3d9f8fc8-FRA
content-length
5257
x-xss-protection
1; mode=block
vedd3670a3b1c4e178fdfb0cc912d969e1713874337387
static.cloudflareinsights.com/beacon.min.js/ 		19 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js/vedd3670a3b1c4e178fdfb0cc912d969e1713874337387
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4f49 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d2e817d2c44b9cf45f0e45cfa351abba3203af38f5aa1c8576a2db69ebd15192

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Origin
https://polygon.codeforces.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
last-modified
Mon, 06 May 2024 19:01:13 GMT
server
cloudflare
etag
W/"2024.4.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
885a3cd10baa1c97-FRA
lang-tex.js
polygon.codeforces.com/js/prettify/ 		858 B
889 B 		Script
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/js/prettify/lang-tex.js
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/js/prettify/run_prettify.js?lang=tex
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f1108838519077d803e9878091161b41ce81f411b71a4f2b291bb480a44ac065
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
REVALIDATED
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"858-1715977613814"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=xPrvSxaLnGwqVNFobqLFcoMQFVDNxgOD3pGE%2BlR66Vpq%2FKMFCKzBZkYrqQGET79fCkw%2BWqM6nhXOYp27Ph5XLg7qSO2Ys%2Fjkn3JbFw4T5MD%2BL3l1nZYiBARgdRMgAI4HKU30AZ%2BSJ7jvKSqtDVbYDtyojnI%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3cd0aec28fc8-FRA
x-xss-protection
1; mode=block
prettify.css
polygon.codeforces.com/css/prettify/ 		3 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/css/prettify/prettify.css
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/js/prettify/run_prettify.js?lang=tex
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7323e60368e09bdef8615d769ea17319703140792ce3498d0e5ccf94ad611887
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"3551-1715977613809"
vary
accept-encoding
x-frame-options
SAMEORIGIN
content-type
text/css;charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=1F4eZPONOCp9iI3b6fugaXFZ57WjYkbEWZDjKqzu5eLXMFrpYtWoxoUz9QNCs8WySHc8wVYkB0UEsuGws3wl6ALASBD3kRxFUrWrFEGgpAB%2F5veDG1I1N%2BIQP%2Ba7XbAwPG9KAz95wyD0jV5HAdrSZmf7BPE%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=14400
cf-ray
885a3cd0aebf8fc8-FRA
x-xss-protection
1; mode=block
main.js
polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/ Frame BBB9
Redirect Chain
  • https://polygon.codeforces.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
8 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
Protocol
H2
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4780386a62679bc858bb7edb35eac6a070efbddf9fba64d2e335cc6b2d2915b5
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
content-encoding
br
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=fS7sbKqhyEEQNdWRyc6a6MJpGHnNVkyWy9NusJ3YVyK%2BgBXkOybRb9f4ynEU3kv%2B0YfsxVSDBnn2UyuCHK9UEOpOvO1qMvC8wigfQb8MyhM3wmJ%2B7lBLAXxfexjgaVlF1rSX%2BOUEkDQXdQIojkinYmULcoQ%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
885a3cd1d8288fc8-FRA

Redirect headers

date
Sat, 18 May 2024 07:47:09 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=vNqB%2B%2BKxVWY6G3dGlrK0mjqhvEseSK6gbjOpmXULvgx4XR8P3b1x82EDgJmRVljr4PpRyiWJ7dQ%2FY9pM4ewRrnzfyb%2BsNvCvGdukbgl6ErU4N91XYInNYyt8JX%2B8UONrfVd%2F16PDQnPI36GVjqDiu5d2uxI%3D"}],"group":"cf-nel","max_age":604800}
location
/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
access-control-allow-origin
*
cache-control
max-age=300, public
cf-ray
885a3cd18fda8fc8-FRA
content-length
0
rum
polygon.codeforces.com/cdn-cgi/ 		0
194 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vedd3670a3b1c4e178fdfb0cc912d969e1713874337387
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://polygon.codeforces.com
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
885a3cd19fea8fc8-FRA
favicon-32x32.png
polygon.codeforces.com/image/ 		1 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/image/favicon-32x32.png?ccid=725b3484202f9e5934c220e0cb37ac64
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e10153cd4f043dcf762df6cc418ca640f560c8bd2b9f8c342381b4b3e976d27c
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://polygon.codeforces.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
cf-cache-status
MISS
last-modified
Fri, 17 May 2024 20:26:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"1140-1715977613812"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=eXPpVNfcqwIepNH5%2FJMNLscPAT4x%2FPeNzFp8EeWTLg9i50OxVVrHBJjGUm35ZQ8gr5peu51xwwkymS2ye5zizy%2F52qF6wp6BPoSDBvf%2Btg9QFfEoDRN9XE0L0KJ132q51bmBJEb%2BWX4ZhralW9NMKSCu3Ks%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png;charset=UTF-8
vary
Accept-Encoding
cache-control
max-age=14400
accept-ranges
bytes
cf-ray
885a3cd19feb8fc8-FRA
content-length
1140
x-xss-protection
1; mode=block
885a3ccc5bb58fc8
polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame BBB9 		0
500 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/jsd/r/885a3ccc5bb58fc8
Requested by
Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:7a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type
application/json

Response headers

date
Sat, 18 May 2024 07:47:09 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
cf-ray
885a3cd278ce8fc8-FRA
content-length
0
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=95QcI4kz5lmXOZvJ1X5uzEc8ve2N1JdnOa%2BKdXua07bLLUJtOETJtMiQV5nhNthIGTEXfDkzRqxGNyWTT1wsKixfSQodRlUDs236VMnPdfdp1jnl%2B%2Fnu6pxcW65dI6RxacMt6NLmFu9HNb9D5VGCjXq%2B45s%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8

Verdicts & Comments Add Verdict or Comment

41 JavaScript Global Variables

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

object| 0 object| hljs function| $ function| jQuery function| safeFormsLeave function| isMobileBrowser function| extractionNumericText function| addLoginsAutocomplete function| supportShiftKeyMultiselect function| updateCheckboxRowColorFunc function| supportCopyingToClipboard function| filterClipboardText function| showMessage function| setupCopyButton function| escapeHtml function| supportAceEditorDrafts function| processEnableErrorAutofocus function| processEnableAutofocus function| runAutofocus function| getValidationErrors function| reloadPartiallyAsync function| addSessionToHrefs function| scheduleDelayedAction boolean| PR_SHOULD_USE_CONTINUATION object| PR function| q undefined| t boolean| u object| sjcl function| y function| z function| C function| A function| B object| D function| addEncodedBackPageLinkToEditHrefs function| getCcid function| setDocumentLocation function| popup object| __cfBeacon object| jQuery18304653379141932559

3 Cookies

Domain/Path Name / Value
polygon.codeforces.com/ Name: JSESSIONID
Value: AE20FC481C21452E3C9B91AECA43839C-n1
polygon.codeforces.com/ Name: cu
Value: wfkLg2ug5ESns2Ha
.codeforces.com/ Name: cf_clearance
Value: sTvMsTMenCdjIkKMoErWl4wfKCib_rTdppNKAEaIFPw-1716018429-1.0.1.1-q19JfoBxDzHsmMpRkuu1VBihc.IPAQferhgPEz2FPZo0ecPFPPxsXE.PFpKa3dmGYoR7FLCfX.lRWwUi4Ei_6w

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

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.

polygon.codeforces.com
static.cloudflareinsights.com
2606:4700:20::681a:7a4
2606:4700::6810:4f49
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