URL Scan Results for https://codeforces.com/enter?back=%2Fgroup%2FV2UavMqsbA%2Fcontest%2F487493%2Fproblem%2FA%2520%25D8%25AD%25D9%2584%25D9%2589%2520%25D8%25AF%25D9%258A%25D9%2587%2520%25D9%2583%25D8%25AF%25D9%2587%2520%25D9%2584%25D9%2588%2520%25D8%25AA%25D8%25B9%25D8%25B1%25D9%2581%25D9%2589

Document

Links

The outgoing links identified from the page.

JavaScript Variables

Global JavaScript variables are variables that are defined outside of any function or block scope in JavaScript.

Technology

The technologies identified are present on the scanned URL.

Name	Description	Detected patterns
Analytics
Google Analytics https://google.com/analytics	Google Analytics is a free web analytics service that tracks and reports website traffic.	Type: scriptSrc Regex: googletagmanager\.com\/gtag\/js
Cloudflare Browser Insights https://www.cloudflare.com	Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.	Type: scriptSrc Regex: static\.cloudflareinsights\.com\/beacon(?:\.min)?\.js
Security
HSTS https://www.rfc-editor.org/rfc/rfc6797#section-6.1	HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.	Type: headers Name: strict-transport-security Regex: (?:)
Miscellaneous
SWFObject https://github.com/swfobject/swfobject	SWFObject is an open-source JavaScript library used to embed Adobe Flash content onto web pages.	Type: scriptSrc Regex: swfobject.{0,250}\.js
JavaScript graphics
MathJax https://www.mathjax.org	MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers, using MathML, LaTeX and ASCIIMathML markup.	Type: scriptSrc Regex: ([\d.]{1,250})?\/mathjax\.js
CDN
Cloudflare https://www.cloudflare.com	Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.	Type: headers Name: cf-ray Regex: ^cloudflare$
JavaScript libraries
jQuery https://jquery.com	jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.	Type: scriptSrc Regex: jquery
Clipboard.js https://clipboardjs.com/		Type: scriptSrc Regex: clipboard(?:-([\d.]{1,250}))?(?:\.min)?\.js
RUM
Cloudflare Browser Insights https://www.cloudflare.com	Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.	Type: scriptSrc Regex: static\.cloudflareinsights\.com\/beacon(?:\.min)?\.js

Performance

The speed and efficiency of the scanned URL loads and displays its content.

dns

1 ms

Good

tcp

1 ms

Good

requestTime

45 ms

Good

dom

567 ms

Poor

DNS Record

A DNS record maps a domain name to an IP address or other resource information.

SSL Certificate

An SSL certificate is a digital certificate that verifies the authenticity and encrypts the communication between a website and its visitors.

HTTP Headers

HTTP Header

An HTTP header is a component of an HTTP request or response that contains additional information about the message being sent or received.

Content Security Policy

Content Security Policy (CSP) is a security mechanism that helps prevent cross-site scripting (XSS) and other code injection attacks by specifying which content sources are allowed to be loaded on a web page.

Cookies

Cookies are small pieces of data stored on a user's web browser to track and remember information about their browsing activity on a website.