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leetcode.com Open in urlscan Pro
2606:4700:20::681a:865  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://leetcode.com/
Effective URL: https://leetcode.com/
Submission: On April 26 via manual from IN — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 16 IPs in 4 countries across 12 domains to perform 74 HTTP transactions. The main IP is 2606:4700:20::681a:865, located in United States and belongs to CLOUDFLARENET, US. The main domain is leetcode.com. The Cisco Umbrella rank of the primary domain is 84487.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on June 15th 2022. Valid for: a year.
This is the only time leetcode.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
38 2606:4700:20:... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 146.75.118.109 54113 (FASTLY)
4 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
4 2a00:1450:400... 15169 (GOOGLE)
2 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2a02:26f0:480... 20940 (AKAMAI-ASN1)
2 2600:1901:0:c... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 138.113.69.46 54994 (QUANTILNE...)
1 106.75.109.179 4808 (CHINA169-...)
10 151.101.194.137 54113 (FASTLY)
1 218.29.50.93 4837 (CHINA169-...)
3 162.247.243.29 54113 (FASTLY)
1 2606:4700::68... ()
74 16
38    2606:4700:20::681a:865 (United States)

ASN13335 (CLOUDFLARENET, US)
leetcode.com
assets.leetcode.com
2    2a00:1450:4001:811::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    146.75.118.109 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
extend.vimeocdn.com
4    2a00:1450:4001:827::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.recaptcha.net
1    2a00:1450:400c:c06::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
4    2a00:1450:4001:803::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.gstatic.com
2    2606:4700:20::681a:965 (United States)

ASN13335 (CLOUDFLARENET, US)
assets.leetcode.com
1    2a02:26f0:480:25::1726:6236 (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1, NL)
assets.giocdn.com
2    2600:1901:0:c072:: (Kansas City, United States)

ASN15169 (GOOGLE, US)
rum.browser-intake-us5-datadoghq.com
2    2a00:1450:4001:80f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    138.113.69.46 (United States)

ASN54994 (QUANTILNETWORKS, CA)
api.growingio.com
1    106.75.109.179 (China)

ASN4808 (CHINA169-BJ China Unicom Beijing Province Network, CN)
tags.growingio.com
10    151.101.194.137 (United States)

ASN54113 (FASTLY, US)
js-agent.newrelic.com
1    218.29.50.93 (China)

ASN4837 (CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN)
PTR: hn.kd.ny.adsl
assets.leetcode.cn
3    162.247.243.29 (United States)

ASN54113 (FASTLY, US)
bam.nr-data.net
1    2606:4700::6812:cb4 (None, )

ASN- ()
leetcode.cn
Apex Domain
Subdomains		 Transfer
40 leetcode.com
leetcode.com — Cisco Umbrella Rank: 84487
assets.leetcode.com — Cisco Umbrella Rank: 179255
3 MB
10 newrelic.com
js-agent.newrelic.com — Cisco Umbrella Rank: 776
27 KB
6 gstatic.com
www.gstatic.com
fonts.gstatic.com
387 KB
4 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 2303
29 KB
3 nr-data.net
bam.nr-data.net — Cisco Umbrella Rank: 477
1 KB
2 leetcode.cn
assets.leetcode.cn — Cisco Umbrella Rank: 235216
leetcode.cn
5 KB
2 growingio.com
api.growingio.com — Cisco Umbrella Rank: 44182
tags.growingio.com — Cisco Umbrella Rank: 66040
727 B
2 browser-intake-us5-datadoghq.com
rum.browser-intake-us5-datadoghq.com — Cisco Umbrella Rank: 23670
428 B
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 91
21 KB
1 giocdn.com
assets.giocdn.com — Cisco Umbrella Rank: 77713
37 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 166
343 B
1 vimeocdn.com
extend.vimeocdn.com — Cisco Umbrella Rank: 14253
6 KB
74 12
Domain Requested by
28 leetcode.com leetcode.com
12 assets.leetcode.com leetcode.com
assets.leetcode.com
10 js-agent.newrelic.com leetcode.com
4 www.gstatic.com www.recaptcha.net
www.gstatic.com
4 www.recaptcha.net leetcode.com
www.gstatic.com
www.recaptcha.net
3 bam.nr-data.net js-agent.newrelic.com
leetcode.com
2 fonts.gstatic.com www.recaptcha.net
2 rum.browser-intake-us5-datadoghq.com leetcode.com
2 www.google-analytics.com leetcode.com
1 leetcode.cn assets.leetcode.cn
1 assets.leetcode.cn leetcode.com
1 tags.growingio.com leetcode.com
1 api.growingio.com assets.giocdn.com
1 assets.giocdn.com assets.leetcode.com
1 stats.g.doubleclick.net leetcode.com
1 extend.vimeocdn.com leetcode.com
74 16

This site contains no links.

Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2022-06-15 -
2023-06-15		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2023-04-03 -
2023-06-26		 3 months crt.sh
*.vimeocdn.com
GlobalSign Atlas R3 DV TLS CA 2023 Q1		 2023-02-18 -
2024-03-21		 a year crt.sh
misc.google.com
GTS CA 1C3		 2023-04-03 -
2023-06-26		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2023-04-03 -
2023-06-26		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2023-04-03 -
2023-06-26		 3 months crt.sh
giocdn.com
R3		 2023-02-21 -
2023-05-22		 3 months crt.sh
*.browser-intake-us5-datadoghq.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-08-04 -
2023-08-06		 a year crt.sh
*.growingio.com
Sectigo RSA Domain Validation Secure Server CA		 2022-08-29 -
2023-09-23		 a year crt.sh
js-agent.newrelic.com
GlobalSign Atlas R3 DV TLS CA 2023 Q2		 2023-04-13 -
2024-05-14		 a year crt.sh
*.leetcode.cn
Encryption Everywhere DV TLS CA - G1		 2022-05-22 -
2023-05-23		 a year crt.sh
*.nr-data.net
DigiCert TLS RSA SHA256 2020 CA1		 2022-11-18 -
2023-12-19		 a year crt.sh

This page contains 2 frames:

Primary Page: https://leetcode.com/
Frame ID: D7DC38590BC3B3C6644207D77B1CB3FA
Requests: 67 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/api2/anchor?ar=1&k=6LdBpsIUAAAAAKAYWjZfIpn4cJHVIk_tsmxpl7cz&co=aHR0cHM6Ly9sZWV0Y29kZS5jb206NDQz&hl=de&v=4PnKmGB9wRHh1i04o7YUICeI&size=invisible&cb=o4er6eilv5vm
Frame ID: 95AE853E4ECB020C4DE54CBD6778F530
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

LeetCode - The World's Leading Online Programming Learning Platform

Page URL History Show full URLs

  1. http://leetcode.com/ HTTP 307
    https://leetcode.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • \bangular.{0,32}\.js
Overall confidence: 100%
Detected patterns
  • bootstrap-table(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • clipboard(?:-([\d.]+))?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • sweetalert2(?:\.all)?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?
Overall confidence: 100%
Detected patterns
  • jquery-ui.*\.js
Overall confidence: 100%
Detected patterns
  • /recaptcha/api\.js

Page Statistics

74
Requests

100 %
HTTPS

63 %
IPv6

12
Domains

16
Subdomains

16
IPs

4
Countries

3154 kB
Transfer

10464 kB
Size

9
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://leetcode.com/ HTTP 307
    https://leetcode.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

74 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
leetcode.com/
Redirect Chain
  • http://leetcode.com/
  • https://leetcode.com/
69 KB
24 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f854f9d2526289c4728dab593670075fecd27dceb5beeeafc9d3c4b7e2576031
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://*.leetcode.com https://leetcode.com https://www.growingio.com
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cf-cache-status
DYNAMIC
cf-ray
7bdcffeffe869b21-FRA
content-encoding
br
content-security-policy
frame-ancestors 'self' https://*.leetcode.com https://leetcode.com https://www.growingio.com
content-type
text/html; charset=utf-8
date
Wed, 26 Apr 2023 07:09:21 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=0OoR%2BBLEjIZdrvmb9ZyNwt%2FtJT72rvM1JlVEgKk6FQrA7T51AzbN9joCoi35shI4pDZfAuFcSxBW3V8S%2BjDCQnvpVEN3C49%2BgcZTxyqdCRCvm9BWOswSUBHIF6x%2B4KfPy3NY4Ke6vfqXPg%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Cookie
x-content-type-options
nosniff
x-frame-options
DENY

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://leetcode.com/
Non-Authoritative-Reason
HSTS
analytics.js
www.google-analytics.com/ 		51 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:811::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e7b90d32907f89c49e9e2a2ccca95133277f756f13a14187936d9b948ff67b44
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 26 Apr 2023 06:35:44 GMT
last-modified
Mon, 17 Apr 2023 22:36:01 GMT
server
Golfe2
age
2017
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20737
expires
Wed, 26 Apr 2023 08:35:44 GMT
124665836.js
extend.vimeocdn.com/ga/ 		17 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://extend.vimeocdn.com/ga/124665836.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
146.75.118.109 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
Apache /
Resource Hash
6c649cc3d4aee7683250622541a6045ad4ac3beb93df1fcdd3ec1f7f12a1ff44

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-cache-hits
103576
date
Wed, 26 Apr 2023 07:09:21 GMT
content-encoding
gzip
via
1.1 varnish
age
16159565
x-cache
HIT
content-length
5579
x-served-by
cache-fra-eddf8230105-FRA
last-modified
Thu, 20 Oct 2022 22:49:15 GMT
server
Apache
x-timer
S1682492962.673024,VS0,VE0
etag
"421e-5eb7f2274b0c0-gzip"
vary
Accept-Encoding
content-type
text/javascript; charset=utf-8
x-vimeo-dc
ge
x-bapp-server
assets-769d499c7b-6rkpw
cache-control
max-age=86400
accept-ranges
bytes
timing-allow-origin
*
expires
Mon, 18 Oct 2032 06:23:15 GMT
bootstrap.min.css
leetcode.com/static/bootstrap/dist/css/ 		118 KB
20 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://leetcode.com/static/bootstrap/dist/css/bootstrap.min.css?v=3.3.7
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f75e846cc83bd11432f4b1e21a45f31bc85283d11d372f7b19accd1bf6a2635c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Wed, 26 Apr 2023 07:09:21 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
WBRQSSDB4FZYQ62T
age
2944
x-amz-server-side-encryption
AES256
content-encoding
br
x-amz-id-2
sTe6md2pm9/ld6or7S5TldMY2ZmJdHftreKBzldxBxJLehAQmA41VoJ0IHbgTt1vOXVYwhbVKos=
last-modified
Mon, 17 Apr 2023 20:18:40 GMT
server
cloudflare
etag
W/"ec3bb52a00e176a7181d454dffaea219"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=myGMLK9qFQdeP4qpzHYiOKM6aJdPq%2FMf9ZeqPrwKauwILJ5iEuKmzx4os3xBwKOnaYQPLX%2FX57DTmpWM9fV5TFegYPyrEPhzTovAvs6sg0nGmngTQrupRENA5sA0ebYggE8CxKUqDvioRg%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
public, max-age=3600
cf-ray
7bdcfff228be9b21-FRA
expires
Wed, 26 Apr 2023 08:09:21 GMT
font-awesome.min.css
leetcode.com/static/font-awesome/css/ 		28 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://leetcode.com/static/font-awesome/css/font-awesome.min.css?cache_version=2
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
008a1d103902f15fdb1c191fcb1ce8954330e7b8de43d09abb08555ba609f420
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Wed, 26 Apr 2023 07:09:21 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
WBRGWN78ZPA204WY
age
2944
x-amz-server-side-encryption
AES256
content-encoding
br
x-amz-id-2
ZPLNdlkKMAdkOUytgHms2+cDK0Zmct5F0pYcVT+x0TVtx0bOeI6uF1SCpv21x5eXKVoY5luxiyM=
last-modified
Mon, 17 Apr 2023 20:19:13 GMT
server
cloudflare
etag
W/"4083f5d376eb849a458cc790b53ba080"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=JvS4VakXKZNe4E7qoZKwpUeGi%2FmTeAiWcBt3Hb5QRjaXEqWI0nI5ko0twu%2BWkN%2FTw393bIe0snvzhUkfmJq%2F5MlTmCEsCYWmS2LtmpwaoXRXLw9Qn9Gz4PcczXEE8j5plzniLn41pIr9nQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
public, max-age=3600
cf-ray
7bdcfff228c09b21-FRA
expires
Wed, 26 Apr 2023 08:09:21 GMT
bootstrap-table.min.css
leetcode.com/static/bootstrap-table/dist/ 		5 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://leetcode.com/static/bootstrap-table/dist/bootstrap-table.min.css
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
94763aafe7051e9d85fd75c3be2e22733b088fb9e5d2bf82055143f0a76d16a7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Wed, 26 Apr 2023 07:09:21 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
SD589PN4ATCJ2W3Q
age
2944
x-amz-server-side-encryption
AES256
content-encoding
br
x-amz-id-2
PvInQag59edXEbN6kaG5n7eL+Cpmiyfs/YFu8aver20zp5lir45KkNPP4V6SRXeyLVVzn07irTA=
last-modified
Thu, 20 Apr 2023 20:35:33 GMT
server
cloudflare
etag
W/"c45ed1e9b43d738b6fad917f1fc76ce2"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=x8G9ZKmHDnOV6KPzt7mpDvb%2BUU%2FyWz0jlExhTtSFRb8Sjm96RFtOjRbu0CT80m16qE4PPTQ8%2Ba5Pl76By3ouklDEBhXBuIW8rUfLFQvMIQBWJWmasvk0S1%2FCBL%2FtKej1e0Ackhi7wHt64w%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
public, max-age=3600
cf-ray
7bdcfff228c39b21-FRA
expires
Wed, 26 Apr 2023 08:09:21 GMT
output.5fee15160ced.css
leetcode.com/static/CACHE/css/ 		108 KB
17 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://leetcode.com/static/CACHE/css/output.5fee15160ced.css
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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General
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General
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https://www.gstatic.com/recaptcha/releases/4PnKmGB9wRHh1i04o7YUICeI/recaptcha__de.js
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https://assets.giocdn.com/2.1/gio.js
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General
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https://assets.leetcode.com/static_assets/public/webpack_bundles/images/logo-dark.e99485d9b.svg
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strict-transport-security
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https://rum.browser-intake-us5-datadoghq.com/api/v2/rum?ddsource=browser&ddtags=sdk_version%3A4.36.0%2Capi%3Afetch%2Cenv%3Aproduction%2Cservice%3Alc_2.0&dd-api-key=pubccd787e5c4ab2bcaa984a518043832c4&dd-evp-origin-version=4.36.0&dd-evp-origin=browser&dd-request-id=cabfc9eb-8c3f-4ebe-b415-dcfce45b8e25&batch_time=1682492963036
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date
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https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxK.woff2
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118 B 		Fetch
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URL: https://leetcode.com/
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page_view_timing-aggregate.9590bdab-1.230.0.min.js
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URL: https://leetcode.com/
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H2
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public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
755
metrics-aggregate.20a08804-1.230.0.min.js
js-agent.newrelic.com/ 		4 KB
2 KB 		Script
General
Check archive.org
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Full URL
https://js-agent.newrelic.com/metrics-aggregate.20a08804-1.230.0.min.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.194.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9b1fb531c79eb8ce9a6e9f833b9de4a43be31458e9a999dcced9147e0176d601
Security Headers
Name Value
Strict-Transport-Security max-age=300

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-amz-version-id
Ue3teI4xiVp879tlCKhGPbDuwtTRksP9
content-encoding
gzip
via
1.1 varnish
date
Wed, 26 Apr 2023 07:09:23 GMT
strict-transport-security
max-age=300
x-amz-request-id
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x-amz-server-side-encryption
AES256
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
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x-amz-id-2
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x-served-by
cache-fra-eddf8230063-FRA
last-modified
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server
AmazonS3
x-timer
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etag
"2b4287467d6e1c411110556d75fe617a"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
735
jserrors-aggregate.9136a849-1.230.0.min.js
js-agent.newrelic.com/ 		7 KB
3 KB 		Script
General
Check archive.org
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Full URL
https://js-agent.newrelic.com/jserrors-aggregate.9136a849-1.230.0.min.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.194.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=300

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-amz-version-id
v5HVEhCBGcej47AYKf5XScCvsKds85Ry
content-encoding
gzip
via
1.1 varnish
date
Wed, 26 Apr 2023 07:09:23 GMT
strict-transport-security
max-age=300
x-amz-request-id
YVRWBWFA49HZBJY9
x-amz-server-side-encryption
AES256
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
2699
x-amz-id-2
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x-served-by
cache-fra-eddf8230063-FRA
last-modified
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server
AmazonS3
x-timer
S1682492963.476177,VS0,VE0
etag
"105c0b07033e97d2ad5192f22cd2b7be"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
530
ajax-aggregate.bcd562bf-1.230.0.min.js
js-agent.newrelic.com/ 		5 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js-agent.newrelic.com/ajax-aggregate.bcd562bf-1.230.0.min.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.194.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
46989843cf6db9b279fe42b1ad1f76e09e30eabc768be16ea6c6bb2f94c67883
Security Headers
Name Value
Strict-Transport-Security max-age=300

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-amz-version-id
RGeelkGAT7YETe4MVmUoI6TYFjMgjsll
content-encoding
gzip
via
1.1 varnish
date
Wed, 26 Apr 2023 07:09:23 GMT
strict-transport-security
max-age=300
x-amz-request-id
YVRG918S0EFY9F46
x-amz-server-side-encryption
AES256
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
2158
x-amz-id-2
p+WLUqJjx21491zXjhr/nCoE/Uv3g/z5tu9CY8xsHlY3P+PM3z5/ujqq8GTKGSb10lwkT7QahCI=
x-served-by
cache-fra-eddf8230063-FRA
last-modified
Mon, 10 Apr 2023 17:14:03 GMT
server
AmazonS3
x-timer
S1682492963.476442,VS0,VE0
etag
"9a50be0680ff4e93b2870bc5fa243b5e"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
537
session_trace-aggregate.6e2218bf-1.230.0.min.js
js-agent.newrelic.com/ 		8 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js-agent.newrelic.com/session_trace-aggregate.6e2218bf-1.230.0.min.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.194.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
6bd0f25f74142536db572062ff1ca9e9e244a02c45bf8a1218198553e95bea0e
Security Headers
Name Value
Strict-Transport-Security max-age=300

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-amz-version-id
wKHTxgUg_rL30Au_du4y9trU9sbfu0Pz
content-encoding
gzip
via
1.1 varnish
date
Wed, 26 Apr 2023 07:09:23 GMT
strict-transport-security
max-age=300
x-amz-request-id
YVRMSMMQX7HT81RH
x-amz-server-side-encryption
AES256
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
3156
x-amz-id-2
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x-served-by
cache-fra-eddf8230063-FRA
last-modified
Mon, 10 Apr 2023 17:14:03 GMT
server
AmazonS3
x-timer
S1682492963.476428,VS0,VE0
etag
"309bc51447ad3ded6e5673698a4b93ed"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
534
page_action-aggregate.4d79b951-1.230.0.min.js
js-agent.newrelic.com/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js-agent.newrelic.com/page_action-aggregate.4d79b951-1.230.0.min.js
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.194.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
51e416712f2a66c0f2abf8fc2ea4d86df45109a57406156a6ebec14c8138d626
Security Headers
Name Value
Strict-Transport-Security max-age=300

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-amz-version-id
8oQqhsOKIgpIXbVO2KdHKF_AsgqpQxSV
content-encoding
gzip
via
1.1 varnish
date
Wed, 26 Apr 2023 07:09:23 GMT
strict-transport-security
max-age=300
x-amz-request-id
YVRXMABVYDFGH5S7
x-amz-server-side-encryption
AES256
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
983
x-amz-id-2
EHOjk62CEZBPEceprUPC/pKuctqjSgMH+/NdSjmKzh7QDybEkflj8CeHVJ5u6/rBfIOTSs1Et0A=
x-served-by
cache-fra-eddf8230063-FRA
last-modified
Mon, 10 Apr 2023 17:14:03 GMT
server
AmazonS3
x-timer
S1682492963.476400,VS0,VE0
etag
"127fe6773a93cca9c6fdbb5ff34d7655"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
536
8d5fb92f6e
bam.nr-data.net/1/ 		49 B
397 B 		Script
General
Check archive.org
Download Go to
Full URL
https://bam.nr-data.net/1/8d5fb92f6e?a=2098939&v=1.230.0&to=ZwMAYEdSCktRWxZRXV5JJEFbUBBRX1ZNVl1aSBRdUEQXAlhXD10%3D&rst=2252&ck=0&s=c4b4a6c199b1ca95&ref=https://leetcode.com/&ap=74&be=308&fe=1892&dc=787&af=err,xhr,stn,ins&perf=%7B%22timing%22:%7B%22of%22:1682492961236,%22n%22:0,%22f%22:0,%22dn%22:1,%22dne%22:10,%22c%22:10,%22s%22:22,%22ce%22:36,%22rq%22:36,%22rp%22:307,%22rpe%22:379,%22dl%22:309,%22di%22:1093,%22ds%22:1094,%22de%22:1094,%22dc%22:2197,%22l%22:2197,%22le%22:2200%7D,%22navigation%22:%7B%7D%7D&fp=993&fcp=993&jsonp=NREUM.setToken
Requested by
Host: js-agent.newrelic.com
URL: https://js-agent.newrelic.com/async-api.6c072bf7-1.230.0.min.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.243.29 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
b91234b576455d66e12dd661a2539eb2418a831078ecef9ebc7f4bbd4e580d9c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Wed, 26 Apr 2023 07:09:23 GMT
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
content-type
text/javascript
access-control-allow-origin
*
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
Connection
keep-alive
Content-Length
49
x-served-by
cache-fra-eddf8230103-FRA
/
leetcode.cn/api/is_china_ip/ 		61 B
471 B 		Script
General
Check archive.org
Download Go to
Full URL
https://leetcode.cn/api/is_china_ip/?callback=afterCheckCnIp
Requested by
Host: assets.leetcode.cn
URL: https://assets.leetcode.cn/lccn-resources/cn.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:cb4 -, , ASN (),
Reverse DNS
Software
cloudflare /
Resource Hash
7b3dc774dfc625f283c713df83d6cf190246b9064cdbc637e495e5340cfd800f
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://*.leetcode.com https://leetcode.com https://*.leetcode-cn.com https://leetcode-cn.com https://leetcode.cn https://*.lingkou.com https://lingkou.com https://tongji.baidu.com https://www.growingio.com https://*.leetcode.pro https://leetcode.pro
Strict-Transport-Security max-age=15724800; includeSubDomains
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://leetcode.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date
Wed, 26 Apr 2023 07:09:27 GMT
content-security-policy
frame-ancestors 'self' https://*.leetcode.com https://leetcode.com https://*.leetcode-cn.com https://leetcode-cn.com https://leetcode.cn https://*.lingkou.com https://lingkou.com https://tongji.baidu.com https://www.growingio.com https://*.leetcode.pro https://leetcode.pro
content-encoding
br
strict-transport-security
max-age=15724800; includeSubDomains
cf-cache-status
DYNAMIC
server
cloudflare
x-frame-options
DENY
vary
Authorization, Cookie, Origin
content-type
text/javascript
cf-ray
7bdd0011ed9b5b62-FRA
8d5fb92f6e
bam.nr-data.net/events/1/ 		24 B
347 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://bam.nr-data.net/events/1/8d5fb92f6e?a=2098939&v=1.230.0&to=ZwMAYEdSCktRWxZRXV5JJEFbUBBRX1ZNVl1aSBRdUEQXAlhXD10%3D&rst=12521&ck=0&s=c4b4a6c199b1ca95&ref=https://leetcode.com/
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.243.29 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
0c9cf152a0ad00d4f102c93c613c104914be5517ac8f8e0831727f8bfbe8b300

Request headers

Referer
https://leetcode.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36
content-type
text/plain

Response headers

date
Wed, 26 Apr 2023 07:09:33 GMT
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
content-type
image/gif
access-control-allow-origin
https://leetcode.com
access-control-allow-credentials
true
Connection
keep-alive
Content-Length
24
x-served-by
cache-fra-eddf8230103-FRA
8d5fb92f6e
bam.nr-data.net/events/1/ 		24 B
347 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://bam.nr-data.net/events/1/8d5fb92f6e?a=2098939&v=1.230.0&to=ZwMAYEdSCktRWxZRXV5JJEFbUBBRX1ZNVl1aSBRdUEQXAlhXD10%3D&rst=12522&ck=0&s=c4b4a6c199b1ca95&ref=https://leetcode.com/
Requested by
Host: leetcode.com
URL: https://leetcode.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.243.29 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
0c9cf152a0ad00d4f102c93c613c104914be5517ac8f8e0831727f8bfbe8b300

Request headers

Referer
https://leetcode.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36
content-type
text/plain

Response headers

date
Wed, 26 Apr 2023 07:09:33 GMT
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
content-type
image/gif
access-control-allow-origin
https://leetcode.com
access-control-allow-credentials
true
Connection
keep-alive
Content-Length
24
x-served-by
cache-fra-eddf8230100-FRA

Verdicts & Comments Add Verdict or Comment

113 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| 1 boolean| credentialless object| NREUM object| webpackChunkNRBA object| newrelic object| NRBA object| currentDate object| thresholdDate string| GoogleAnalyticsObject function| ga function| phoneCheck function| portableCheck function| $ function| jQuery function| ClipboardJS function| Sweetalert2 function| swal function| sweetAlert object| LeetCodeData object| angular function| Noty object| webpackJsonp object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| __core-js_shared__ object| core object| global object| System function| asap function| Observable function| setImmediate function| clearImmediate object| regeneratorRuntime boolean| _babelPolyfill object| IntlPolyfill function| _ object| platform object| __SENTRY__ object| Base64 object| DD_RUM function| closeRegion object| pageData string| eventURL string| CONTENT function| getHashCode string| LOCAL_STORAGE_KEY boolean| CLOSE_BUTTON_CLICKED string| CLOSE_BUTTON_HTML function| onClickClose function| onTransitionEnd function| createFeedbackTab function| createComingSoonBanner function| insertFeedbackTab function| insertComingSoonBanner function| loadLeetCodeChallenge string| DISCOUNT_URL string| DISCOUNT_CONTENT string| DISCOUNT_LINK function| createDiscountTab function| insertDiscountTab function| recaptchaV2Callback function| recaptchaV3Callback object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client object| Vimeo function| __vimeoRefresh boolean| LEETCODE_PAGE_LOAD_READY object| __consolidated_events_handlers__ object| recaptcha object| closure_lm_27652 object| grecaptchaV3 object| grecaptchaV2 function| gio function| GrLocalStore function| MutationSummary object| Utils object| grSource boolean| _gr_support_circle_pop_out boolean| grSdkInstalled object| vds boolean| grBlind number| grWaitTime number| grImpCtrl object| gioGlobalArray object| _vds string| identity string| cnRedirectExpiredAtKey number| redirectStateCacheTime string| regionSwitcherLastClosedAtKey number| bannerHiddenPeriodAfterClose number| signInCheckerTimeout object| bannerRedirectPathnameList object| disabledPathnameList string| asideId object| asideEle string| signInBtnId string| avatarId function| afterCheckCnIp object| isFromChinaPromise object| isSignedInPromise function| autoRedirect2China function| getRedirectingPath function| shouldRedirectToCn function| shouldShowBanner function| renderTransfer2CnBar function| closeCnButton function| renderCnFlags function| replaceCnFlagUrls

9 Cookies

Domain/Path Name / Value
leetcode.com/ Name: csrftoken
Value: 4o9fWYV1C7mI7XkzwC8UhE0CB7Q2knNSytehpWOGMgzy2d5bAOrCKqde65DFcgey
.leetcode.com/ Name: _ga
Value: GA1.2.446943623.1682492962
.leetcode.com/ Name: _gid
Value: GA1.2.107040522.1682492962
.leetcode.com/ Name: _gat
Value: 1
.leetcode.com/ Name: gioCookie
Value: yes
.leetcode.com/ Name: gr_user_id
Value: cd4a05cc-b51a-4177-95ed-d61d1c878361
.leetcode.com/ Name: 87b5a3c3f1a55520_gr_session_id
Value: 81a2b043-7be3-4494-a5cf-6bc42a060f3a
.leetcode.com/ Name: 87b5a3c3f1a55520_gr_session_id_sent_vst
Value: 81a2b043-7be3-4494-a5cf-6bc42a060f3a
leetcode.com/ Name: _dd_s
Value: rum=2&id=fa22e0c1-7870-4aa7-b8e9-b2271630e069&created=1682492962995&expire=1682493862995

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
Content-Security-Policy frame-ancestors 'self' https://*.leetcode.com https://leetcode.com https://www.growingio.com
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

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.

api.growingio.com
assets.giocdn.com
assets.leetcode.cn
assets.leetcode.com
bam.nr-data.net
extend.vimeocdn.com
fonts.gstatic.com
js-agent.newrelic.com
leetcode.cn
leetcode.com
rum.browser-intake-us5-datadoghq.com
stats.g.doubleclick.net
tags.growingio.com
www.google-analytics.com
www.gstatic.com
www.recaptcha.net
106.75.109.179
138.113.69.46
146.75.118.109
151.101.194.137
162.247.243.29
218.29.50.93
2600:1901:0:c072::
2606:4700:20::681a:865
2606:4700:20::681a:965
2606:4700::6812:cb4
2a00:1450:4001:803::2003
2a00:1450:4001:80f::2003
2a00:1450:4001:811::200e
2a00:1450:4001:827::2003
2a00:1450:400c:c06::9b
2a02:26f0:480:25::1726:6236
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