polygon.codeforces.com Open in urlscan Pro
2606:4700:20::681a:6a4 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://polygon.codeforces.com/
Effective URL:
https://polygon.codeforces.com/
Submission: On April 05 via api (April 5th 2024, 8:21:25 am UTC) from US — Scanned from DE

Summary HTTP 35 Redirects Links 3 Behaviour Indicators

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 35 HTTP transactions. The main IP is 2606:4700:20::681a:6a4, 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 35	2606:4700:20:... 2606:4700:20::681a:6a4	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2606:4700::68... 2606:4700::6810:5049	13335 (CLOUDFLAR...) (CLOUDFLARENET)
35	2

35 2606:4700:20::681a:6a4 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

polygon.codeforces.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
35	codeforces.com 1 redirects polygon.codeforces.com	209 KB
1	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 866	7 KB
35	2

	Domain	Requested by
35	polygon.codeforces.com	1 redirects polygon.codeforces.com static.cloudflareinsights.com
1	static.cloudflareinsights.com	polygon.codeforces.com
35	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	`2024-03-10` - `2024-06-08`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://polygon.codeforces.com/
Frame ID: C0593076D0F7155ACA7C6E4971DA9B52
Requests: 33 HTTP requests in this frame

Frame: https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/bcc5fb0a8815/main.js
Frame ID: 28CD7A039CA3BEC10973F95CFA68B562
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Index Page - Polygon

Page URL History Show full URLs

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

Detected technologies

Clipboard.js (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

clipboard(?:-([\d.]+))?(?:\.min)?\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

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]+)?)?)|)

Highlight.js (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

/(?:([\d.])+/)?highlight(?:\.min)?\.js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

35
Requests

97 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

215 kB
Transfer

628 kB
Size

3
Cookies

3 Outgoing links

These are links going to different origins than the main page.

URL: https://docs.google.com/document/d/1mb6CDWpbLQsi7F5UjAdwXdbCpyvSgWSXTJVHl52zZUQ/edit?usp=sharing
Title: here

Search URL Search Domain Scan URL

URL: https://github.com/MikeMirzayanov/testlib/releases
Title: download testlib

Search URL Search Domain Scan URL

URL: https://github.com/Codeforces/polygon-issue-tracking/issues
Title: public issue tracker

Search URL Search Domain Scan URL

Page URL History

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

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 30

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/bcc5fb0a8815/main.js

35 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
polygon.codeforces.com/
Redirect Chain

http://polygon.codeforces.com/
https://polygon.codeforces.com/

17 KB
5 KB

413ms
384ms

Document
text/html

2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e2bc293c215dcad7856bd27b30e65b6574e239a44ffdf1bcb6feb651390653a4

Security Headers

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

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

cache-control: private,no-cache,no-store,max-age=0,must-revalidate
cf-cache-status: DYNAMIC
cf-ray: 86f81fc41e9e9f3a-FRA
content-encoding: br
content-type: text/html;charset=UTF-8
date: Fri, 05 Apr 2024 08:21:21 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=NOTN8bjIol0V2Vr4jkKePYFsxXp%2FJyDeikA8uD4aUWcxyxSuThYLH4oVOFJezi%2FaNuqwmleto5%2Fe9d0kSaDZqDXaFfwvK3TaOhIgYLZu8qWNCVyrYfP3HP7TJUhcx%2FMieZ7yhu781MVg3CpnWXTkrJ7UqOk%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

GET
H2 200 common.css
polygon.codeforces.com/css/ 9 KB
3 KB 110ms
105ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/common.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e070f4d4f12a63c048265c7ced8c47770407d3b071c867e552aaf1291342c7b1

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"8784-1711742291071"
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=WznLMG2i9YpP9LDRUjkJwVXx7zg14bQG8OSbcvlbaQzrVRD6Z8T5LiR6GlrwFQxWjEu20rJwc3IFR%2Fwl2v5MH1jANJQNRsJDKOrhWuUS0Vr1MM%2FqF0SF%2BSuZwyBkgJ5GaXhLRzsa72uaK0eOtgNsE65vW6s%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699429f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 messagebox.css
polygon.codeforces.com/css/ 964 B
644 B 115ms
111ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/messagebox.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"964-1711742291071"
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=AU%2F%2F43S9ciMzbG%2BJwt9vESZX7NU7z8Bx2JwsfoTKK53reKfxMshDiartcVUuSqpSA7X2ubomRncYhxe7qteliVQOAvJnx2l3PfBwI9Gq8lfwqpSy43zuY%2FoISw4Ie11sP%2B%2BFwHn2L%2F5b6ErotEuw9lk%2FCO8%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699479f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.autocomplete.css
polygon.codeforces.com/css/ 801 B
778 B 92ms
89ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/jquery.autocomplete.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"801-1711742291071"
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=jak2z57i3qYweJs6dGzv2D9WSTtSdHTMc0qfcGvSMCJfJZOVkJ%2BLBIMA5CD2BfgV%2BuVrZwIFGwRkIXtZTAEyiYiIZZNZhSUtVtOPHJM3luQj1MP4CA58pPGYakt5qHI%2Fq3luDXwL7MVFdXLw87UxBqRctFo%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699489f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.textcomplete.css
polygon.codeforces.com/css/ 467 B
513 B 128ms
125ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/jquery.textcomplete.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"467-1711742291072"
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zXEPaIfk8yYT2GZ2SpIDfcUWpHV3DpgtYw8R6huGrj989clC1lKUIEn%2BhBTVdeZcExSbmP6k5NNE9P1TIX93CqXhA7vWTMHfm9MvhXzP127fkEJCzWKEwGJ2BDwbL1wyiFztpG0pbQofOfSSVjmNZrwnb74%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css;charset=UTF-8
vary: Accept-Encoding
cache-control: max-age=14400
cf-ray: 86f81fc6994c9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.drafts.css
polygon.codeforces.com/css/ 2 KB
944 B 168ms
165ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/jquery.drafts.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"1834-1711742291072"
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=iivn8Qc8JRHCZZlBdWnYpTWPRKdyG%2BDvFHB6HFGusS2UQqs1Wk72KJFI6Vj640C3kyLQlRNIPH05nBsm%2F4FP9VVGhI8bZ7qglTaFUL07lULbRqgjndSjW47uari7y71U6eaQlP8VYN3NVdp0tj5Tj8BTh54%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699509f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 tablesorter.css
polygon.codeforces.com/css/ 360 B
442 B 133ms
130ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/tablesorter.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"360-1711742291071"
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=EX5aFaIkomaY3VuCZWeu6kBXSLgGJAVZwPX%2B8YKdCL2chWnDu576zT7CG24%2Bewjr8porxzNgRk6snKOXIM4rewI3A8hHu%2B9%2FK9bSnoTDtb98eJlmOq6pxfhAi0E3rJI1rukHcG7g5TQnQo1nxggJ4n8elWs%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css;charset=UTF-8
vary: Accept-Encoding
cache-control: max-age=14400
cf-ray: 86f81fc699519f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 font-awesome.min.css
polygon.codeforces.com/css/ 23 KB
6 KB 139ms
136ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/font-awesome.min.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"23739-1711742291070"
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=IaxeyyaQPz9cuFMsMRx52uPP63O8r9bxRGw%2BtWzhYNMI1XXbnnxuszx5hRR6%2Ff7xHpU6VG0auCNCLz2mIaUEByvjY4BNwNioy3VAYp3%2BYQ6DDOXOwQ%2F6sXOt6FFaruQ87PC4tDYRnPC89AEAzPCamaTD7jA%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699529f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.jgrowl.css
polygon.codeforces.com/css/ 4 KB
1 KB 169ms
166ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/jquery.jgrowl.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

7e04cce0f52398a3c2dde703c0451211a573dd7949243b7646ff180fde9331db

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"4419-1711742291072"
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=OIohn2MA07owc5bi87iK%2BS61G3dHRYf8KGlZ7AsXiWKfoksPTp13pmgC7rCTKuWdBwcEx9PmKgcccZinh4ibsIn%2BbeuRHHLlS4VtBx%2BPbo323JXCJapZTHAvRL8jQkfJYaRe4E8gBYml%2BmfVaORWb3hbdLs%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699539f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 prettify.css
polygon.codeforces.com/css/prettify/ 3 KB
1 KB 167ms
164ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/prettify/prettify.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"3551-1711742291072"
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=KtZK2LiZOVgVEG2Hptz8EMgyasSnDLZR1Gp196NE2pk682zFonpbRXds%2B2GOlakKNg89R0fB%2BsQOwDhwEQKT%2FGBotTNbnBoi0EiPuOC14d0DYBM956dcYPmuixIr%2B2ZKJ9E3a4gsfBpB3%2B5FSMPZb1rKIZA%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699549f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 header.css
polygon.codeforces.com/css/ 977 B
704 B 129ms
126ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/header.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

105956689786f8c258f189eaef9feda8f47a86aa10f65fa0126490dcd3362328

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"977-1711742291071"
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=i6SyWpgLmwzBPuxGZ4gJYSvfZkQc%2F5Fc0l8J1fvFARSbByKQBz2r1k9JQJSIdrVZBM%2FOmVCgzhOXftILxDNvXx2GL4bBZH4H4%2B107BNXbr4RI88EC4lJb1M0exMkXjLON12nW4%2BFAaQ83QjHA80iBOafPOI%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699569f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 footer.css
polygon.codeforces.com/css/ 187 B
481 B 148ms
145ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/footer.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

8aed6fd85dcc28a4d32c5cfa3fbae07872d58f4c8ad718bb48e827552a8c28fb

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"187-1711742291071"
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=x%2BUYm%2FrAfQRVmNQyxEQsTYTnpqryDoMH7JMaMWBa5BsJoYzgWGX2K%2BohGfFlqOPc8OKbyR2c2EZWWZkuttnJuAlXZGMyAR9tl5pIAEqd7N1qLGnxC5qkLIfP73NtmSQNnUfM8JymGX%2B%2B1E0tQcvXKAoB2O4%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css;charset=UTF-8
vary: Accept-Encoding
cache-control: max-age=14400
cf-ray: 86f81fc699599f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 default.min.css
polygon.codeforces.com/css/hljs/ 1 KB
874 B 157ms
154ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/css/hljs/default.min.css?ccid=c182b020788e87089e96e8aa3f71f82d

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

fca0b16bd5da61c76cd709ab9f178af97246215546fc3a91752235df896577f8

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"1427-1711742291071"
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=7ZHrnQ1qfUUZcn2eClP%2FoJMDNlOeWlpPW5MNQRVd0QiQ5RGRYVzSeKoWYUoHXd9fGzj77rSOehosda4u%2Buu%2Fzt9ymdap%2BML7as0ZIQeHz65qubuAu2MJMFBJrl7tT%2By%2FWsJ2b67XLCdM9eX9DPj7rHWUYlw%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6995c9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 highlight.min.js Show response
polygon.codeforces.com/js/hljs/ 136 KB
43 KB 219ms
216ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/hljs/highlight.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6d4a6a740a34dd505bff459d5020bf7a4e5d0e00a6f7a88084892dba1a401e8a

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"139537-1711742291109"
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=IIdpokgyiPvq1EI1kG0WFzG9QjFpekKWYYbhvmgwtxfSEol3L3SGcIw08rBAdCfxkL5Z5hKfTCy0cW9qR5bDjAh7DrkApHf0M6mPWzhzS0my%2FX9xhx8dAhx7fyGnVg4NVVegtYjkf93y40siXyaEjyQcY8U%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6995d9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 go.min.js Show response
polygon.codeforces.com/js/hljs/ 2 KB
1 KB 197ms
194ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/hljs/go.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2ce6ccb9c8132a5bd613d678e367e9c1dd9797a2d8923e25b1c644624718c18a

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"1928-1711742291109"
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=cuRN7LfDQaPe4Hqi5rrkcVyKwyC%2FVpaCXH1J8Denrs3Miq45DbCT6FMXMRDre2TVCZXVljDC7png58VVIS%2BPq93KxR%2FHpEiyYGWqalDp4ZQwPQ5AAzltkd01Y7ayYd7hMleUBe0cQJEehfKzQc%2FytgwEo3I%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6995e9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 highlightjs-line-numbers.min.js Show response
polygon.codeforces.com/js/hljs/ 5 KB
2 KB 176ms
173ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/hljs/highlightjs-line-numbers.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ffd8becf84929f2363666ba39f3cf9a3d65b6ef94e2ac616cdffdfa4fc2603d4

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"4836-1711742291109"
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=T1rRc9LoC7HOFdYgNW8Qfvoxnj5t%2B6yom5zrr3NLu7as%2BafgjWnfHWksxYO2Y52eMt%2BJMZSRm8YHnqF0M%2FJWeiB1%2B08xfCUH1ze0xoCS767OE5MFkMyxgbDjRVXuLLWMmV1d6pwhUAJSRNIJbAxQVh8e%2F2M%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699609f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery-1.8.3.js Show response
polygon.codeforces.com/js/ 261 KB
80 KB 176ms
174ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery-1.8.3.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

b79048269194de2a460e6b267695f420be996434fad12f90e3712a1c5b3b2544

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"267739-1711742291081"
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=yv0V9liAUUEH7lRlgsvLIyh6OWT0s%2FGq6EKLViKCtNDLfP%2BiDoKIl9EQYPbVACpsSj8HhFyMg%2B4rSSs%2BgySX3GbbXqbeHgZEMrVxclX8kn9WczIiZwE94%2FwkZYOcGAEPynlgwyoqz2nLQzSjCYtlhtizZks%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699619f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.drafts.js Show response
polygon.codeforces.com/js/ 13 KB
3 KB 148ms
146ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.drafts.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

aad36feefa1c70ddb179054f41f1318ed2830f70c0b743f8d9cf848d94f626f8

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"13590-1711742291080"
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=%2BUGAzRxGjnU0fyEu%2Fcvhokx51a08dvMePTHHSfhgPqfQp%2Fam6nJq%2FomAG%2Fa1xakT2J96mLeSkBVGf%2Bav2oMlo%2BEK0Aylx1kluySexRSi3%2BHndAAnravaGcJw4JI8TzcudTwe2UzveszTGT6aV%2F2MW2iMjvk%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699629f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 polygon.js Show response
polygon.codeforces.com/js/ 17 KB
6 KB 172ms
170ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/polygon.js?v=3

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6f85198d93dc848d9810ca20c760b134c9edf9fc41780bb88dfc4fb13b56f77d

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"17040-1711742291081"
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=EJIea10%2FmDuMiG1%2Bmglu9IVuur0p1mgHzZsrR8aTQkmrv6BWIgWVhwyuaqJORkBhCPst3lVGtbx%2FrB8BBqd98Qm%2BcVXf2jsUO7yxd%2F%2BWstahNfpdCVvqjsPheYQCjhn39ByRnLZe5BMPiqBPlD0C33dfCXk%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699659f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 run_prettify.js Show response
polygon.codeforces.com/js/prettify/ 18 KB
8 KB 207ms
205ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/prettify/run_prettify.js?lang=tex

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

fe0a01d0eb2126d5736faf697c477d20020d89690a1507b2a937b9117af9ad3c

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"18359-1711742291080"
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=9llnvm4e1GSauGWKN%2BTFVCzEW6IuPyaDQ%2F%2Bgp7EsgtAWzFbecCDlIpB0czXXMHmsPb5DZJ8OQX4%2FqSjO1BvsRQwi%2Ft%2BGg93CfCSE626m6uM3oaCJ9m4UwF%2BzzHbCeObd1%2BCYxFTLqbpBrPHFDoDx89aLxdg%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699669f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.tablesorter.min.js Show response
polygon.codeforces.com/js/ 12 KB
4 KB 210ms
208ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.tablesorter.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

b7889f9f3d9e07240451a7e772849d254c03da352debc558f02ccd8c0cb0a34f

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"12795-1711742291081"
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=UpNFQn4AH%2Bd0FuwzcjpY0RXYYxb9uHin3Uak%2BJtJFh8%2BH%2FzHwkhdaiEKk8nzn6TvRJY0sNnBjyHohOzVr3CEUIljfdZPaEN10U9ZLL4foSz88q2HcrOFjEMzj4ZEItUyn8xCKCwu6A5ri33gwLsck7BTPAs%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699679f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.jgrowl.js Show response
polygon.codeforces.com/js/ 4 KB
2 KB 153ms
151ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.jgrowl.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2fa8c683c6db5e025e986f23b1f652855a911392c9b682ed0c1a3b0295239f9d

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"4302-1711742291081"
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=YfCwmAlTpD6%2BG5S6oi5a7iK99qXZQr0P2%2FQsNRU8JX312VDCA9LlkTe8rtfvx4aShrgUaI5PjP2Z%2FJih%2Bi7w9HBNVTOs7l4PD6duVAMk%2BIzxR8L8HL9YalFvcY%2FOkVAvd%2BSedsVT351ugNbpcLq4KpMs8%2BI%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699699f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 clipboard.min.js Show response
polygon.codeforces.com/js/ 11 KB
4 KB 161ms
159ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/clipboard.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

0da7fc1ae23678b2872653962d147fcd1cbd0a5a9c8f84d44ae99bc581fd9062

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"10917-1711742291081"
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=j1g21T53BEfoOS2fRGSe03%2BOX7XMFPhZ7lBY1jADidIq8lacdWd%2BC%2FR5JvWcA%2FfQSMBV39rbNg6k73O%2FcZq0IfCce4IK2AadJioyCtvyUz%2Fmop8%2BgG%2Bb7M7D%2Brrj0u5LU9QARNvVD33YiwpFUVZago4JsYQ%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6996c9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.autocomplete.pack.js Show response
polygon.codeforces.com/js/ 7 KB
5 KB 168ms
166ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.autocomplete.pack.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

59af8632fa388dfd925761e9045c2cfdf8e7d8e70d426e20a2195b27e47bb1e6

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"7596-1711742291081"
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=kYlekl78qysNxGiVKa%2F54%2FCWWh9wvr%2F%2F8hdMry9yQw7dmCrDpmFYdKiBSXF7kefkHAADRujNX0TYh4qB4FV2m3rt0QMERK5lwY94aq171ZxFiTI4JgVKP2GEOgD5TFRP%2BNRc1Q8SAbVFNGYx%2BLvbycBPfsE%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6996d9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.textcomplete.min.js Show response
polygon.codeforces.com/js/ 20 KB
7 KB 205ms
204ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.textcomplete.min.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d927ae5b37d236cb5cd32d13caf2981d21034305872c35866d675ae042f8921b

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"20358-1711742291081"
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=57N46vLELoHZ4%2BrF%2Bz1EC6oUaPGvqgrsiRTn13p1ciCr2%2BNzT5CaTh4I1XfTSZr1W4fEWLskNPCW10IHx3WDdoFr8Di3p7jZ2kdRfCzH1MELyNg6GepL9ZoP9qBoOb46DAN7jLIOZsRjmmB3iQgcAMvih6U%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6996e9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 jquery.clickToPopup.js Show response
polygon.codeforces.com/js/ 1 KB
854 B 169ms
168ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/jquery.clickToPopup.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

5c4e69ac5301aa9bcc99e76828ecfce54fd7008f6c62b320d8feb331962dc97c

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"1236-1711742291082"
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=MMjXNM0nR4BeamCVL%2FYk0fvKud8BMHKZ2qWKFWZR61TAy%2BcM0xjt0H%2BIYjTYbdyaSlaCfhf9piYxRtCEihWLAuNmWrCuNWD97NivRCTs7jSUzJFXs5HIREu4BoARpdf%2Bl4xtyhf4hPMIQ4lHWu4aSy8t3hs%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc6996f9f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 sjcl.js Show response
polygon.codeforces.com/js/ 19 KB
8 KB 170ms
169ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/js/sjcl.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

8da5110651396b572452674f4ee14c7498a0cb8fe6c2676e91bc5973d7a204fa

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"19807-1711742291081"
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=%2BGeXzUJhBgdPWTQupA4cG%2FZQPNyY5OGqA%2Bfj1SCi%2Bym6r7Mg0N9Sa3fgq5kRZadaXNfXgoFyxTHo3eNbUGmCjzlTWixZRZa4Htt6qYlmvzdrF2lssQV59BqVEX4UBQzWpKB2JQSbIR6wJr4%2Fdqn%2BMZ3xog0%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc699709f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 polygon-logo.png
polygon.codeforces.com/image/ 5 KB
6 KB 143ms
141ms Image
image/png 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://polygon.codeforces.com/image/polygon-logo.png

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

9bc69cd8b4aa4c9692c56833e3b639843c736379b807379f0230713dd5c88d2b

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"5257-1711742291075"
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=xyNV%2FqJFBvvE3HOBEUjtCf%2FYNs0wWgo%2Fsf%2FoEyA4G5UcXRIrs5eBicnQL%2BD%2FJkIjWnnlBAky4XPoknX%2B0Zq8HaFDKd%2Ba53FRv3X0tNR4zYcgcM%2FZZbHHwOxUjzsklteGy4CVGK0y%2BH3%2FlybND4JPhlLRfuM%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: 86f81fc699719f3a-FRA
content-length: 5257
x-xss-protection: 1; mode=block

GET
H2 200 v84a3a4012de94ce1a686ba8c167c359c1696973893317 Show response
static.cloudflareinsights.com/beacon.min.js/ 20 KB
7 KB 58ms
39ms Script
text/javascript 2606:4700::6810:5049
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://static.cloudflareinsights.com/beacon.min.js/v84a3a4012de94ce1a686ba8c167c359c1696973893317
Requested by: Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 6153d13804862b0fc1c016cf1129f34cb7c6185f2cf4bf1a3a862eecdab50101

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
Origin: https://polygon.codeforces.com
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: gzip
last-modified: Tue, 10 Oct 2023 21:38:13 GMT
server: cloudflare
etag: W/"2023.10.0"
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: 86f81fc808180418-FRA

GET
H2 200 lang-tex.js Show response
polygon.codeforces.com/js/prettify/ 858 B
961 B 104ms
104ms Script
application/javascript 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers 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

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"858-1711742291079"
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=Aj62WEa7T5GoXYpsjzT7StkGNC0Sdnn8poHvqhDixgxKvoiJgiqEkEmnu%2BFewSJ3oDoyoCvYvBFQIPFjoyti9psMIDBuOQCQ9dcNKjoBg%2BBj4sYAAXo4RP8QTloE5c0HqOF32yHNpyfMBcVCjC9xVlcvmGw%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc81ae69f3a-FRA
x-xss-protection: 1; mode=block

GET
H2 200 prettify.css
polygon.codeforces.com/css/prettify/ 3 KB
1 KB 103ms
103ms Stylesheet
text/css 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers 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

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"3551-1711742291072"
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=5PuCLzhfpMXegpRDp4BzOR9AIbSqrrirnXsocYRJktA15Ap8zAsh0OwC5ejAdhCG3Wor74kRNMXUjWQxiFhp4dzl489LlhIr6m5eK99pIguXtKliR4nhq42kHHaMo%2BcNz9pTf16y51wcY0nUiHxNkVsTsrY%3D"}],"group":"cf-nel","max_age":604800}
cache-control: max-age=14400
cf-ray: 86f81fc81ae89f3a-FRA
x-xss-protection: 1; mode=block

GET
H2

200

main.js Show response
polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/bcc5fb0a8815/ Frame 28CD
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/bcc5fb0a8815/main.js

8 KB
4 KB

12ms
12ms

Script
application/javascript

2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/bcc5fb0a8815/main.js

Requested by

Host: polygon.codeforces.com
URL: https://polygon.codeforces.com/

Protocol

Server

2606:4700:20::681a:6a4 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

410ba09db42ec7a4044fd076b65b1687b55b1822c12d9d4ea58263cd6585efc2

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

date: Fri, 05 Apr 2024 08:21:21 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=SjNWqb7iJRgbRLo3L1kwDCJACn3efA2dcmmVLBXVzPm9610vvrOzDKLs%2FAqXmbr1%2FKe3W8dv%2FNNDoVwuuU5GzTP9xZ07ajBLIx%2BdflC8HDxfWVB8kGnkm2h%2FCErd7u7ezTeeHthlOrLVt3CShppJeNa6x9E%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=UTF-8
cache-control: max-age=14400, public
cf-ray: 86f81fc85b3c9f3a-FRA

Redirect headers

date: Fri, 05 Apr 2024 08:21:21 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=XWV%2BrCNWlnrPkJ3SQApXmFBocz2SISUzGWI2EStUR3lVU4f%2BkPZ07Wrkgs2ENyFmMUGfoHybzVsRbRStoHcPz2YMPBFVR6qrX1Fpn%2BlKaCL230kD15e6nIB2pKkGjfOs%2BSN8hEZwPvdvuMmc2dNR8L%2B0N9E%3D"}],"group":"cf-nel","max_age":604800}
location: /cdn-cgi/challenge-platform/h/b/scripts/jsd/bcc5fb0a8815/main.js
access-control-allow-origin: *
cache-control: max-age=300, public
cf-ray: 86f81fc84b2d9f3a-FRA
content-length: 0

POST
H2 200 86f81fc41e9e9f3a Show response
polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame 28CD 0
514 B 30ms
30ms XHR
text/plain 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://polygon.codeforces.com/cdn-cgi/challenge-platform/h/b/jsd/r/86f81fc41e9e9f3a
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:6a4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform: "Win32"
Referer
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
Content-Type: application/json

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
content-encoding: br
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 86f81fc8cbd19f3a-FRA
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=A8Xt5oGR5ZY8M1n9iKAdMOFqm7fwjr9bcl%2BvZbipeHAJEqa2qZZREVV1yYRHqLRFAOnj30xcvP0yn0%2FkEdvQVOn5pW1W0a1%2FHfD%2FDWUW5GLjKpji6qTb6Z1KMn%2BdICHliCsjwOvNCVU3BRQTEJAQ9z0zQxQ%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/plain; charset=UTF-8

POST
H2 204 rum Show response
polygon.codeforces.com/cdn-cgi/ 0
152 B 15ms
14ms XHR
text/plain 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers 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/v84a3a4012de94ce1a686ba8c167c359c1696973893317

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform: "Win32"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
content-type: application/json

Response headers

date: Fri, 05 Apr 2024 08:21:21 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: 86f81fc8cbe89f3a-FRA

GET
H2 200 favicon-32x32.png
polygon.codeforces.com/image/ 1 KB
1 KB 108ms
108ms Other
image/png 2606:4700:20::681a:6a4
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://polygon.codeforces.com/image/favicon-32x32.png?ccid=c182b020788e87089e96e8aa3f71f82d

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:20::681a:6a4 , 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="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://polygon.codeforces.com/
accept-language: de-DE,de;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/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 05 Apr 2024 08:21:21 GMT
cf-cache-status: MISS
last-modified: Fri, 29 Mar 2024 19:58:11 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"1140-1711742291074"
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=cWsNnFAMxLjTbio8RvoR%2FaNUWTAqpK0lg8U7fvPtI7b%2FdCgzCY31cmp%2Fm4MBVkZphZByUJ7Yk%2BIbEO5ZxZzZkik8mpIeOSN7ymIDxMnY89yQ9f5g%2FxtksfkGJG7WNS42LMOFKjwEsgjU2zh7rboW5m5chmY%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: 86f81fc8cbea9f3a-FRA
content-length: 1140
x-xss-protection: 1; mode=block

Verdicts & Comments Add Verdict or Comment

40 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.

3 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
polygon.codeforces.com/	1969-12-31 23:59:59	Name: JSESSIONID Value: B8B584BE2D083CB1A7A61F9CD7CA56B0-n1
polygon.codeforces.com/	1970-01-21 04:24:01	Name: cu Value: JawMGkKDuyZX2iGW
.codeforces.com/	1970-01-21 04:24:01	Name: cf_clearance Value: G1iQGam365l3F0.AxI723pdGEZ8NGPqsAaiLZONUEl4-1712305281-1.0.1.1-rNme8yxxIeYcQ5L8gyj4GEPXF70mc9zfGDBTodb7XUfVLvMuf2lV2IBNq8gHYavqMX76tZEOLuOjPRi8fN7o5A

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:6a4
2606:4700::6810:5049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polygon.codeforces.com Open in urlscan Pro 2606:4700:20::681a:6a4 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

35 Requests

97 %HTTPS

100 %IPv6

2 Domains

2 Subdomains

2 IPs

1 Countries

215 kBTransfer

628 kBSize

3 Cookies

3 Outgoing links

Page URL History

Redirected requests

35 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

polygon.codeforces.com Open in urlscan Pro
2606:4700:20::681a:6a4 Public Scan

Screenshot
Live screenshot

Full Image

35
Requests

97 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

215 kB
Transfer

628 kB
Size

3
Cookies

35 HTTP transactions
0 data transactions