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Site Info - Leetcode.comOverview of web technologies used by Leetcode.com. Website Background LeetCode - The World's Leading Online Programming Learning PlatformLevel up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. Description on Homepage Top 10k among all websites Popularity rank Zendesk provides hosted customer service software. Zendesk JavaScript is a lightweight, object-oriented, cross-platform scripting language. JavaScript Ruby is a general-purpose object-oriented language originally developed by Yukihiro "Matz" Matsumoto in Japan. Ruby JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig. jQuery 3.3.1 Bootstrap is an open source HTML, CSS, and JavaScript framework. Angular is a JavaScript library for building web applications, developed by Google. Next.js is an open source JavaScript framework based on React and Node.js. Next.js Bootstrap is an open source HTML, CSS, and JavaScript framework. Cloudflare Server is a web server developed by Cloudflare. Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Node.js Envoy Proxy is a proxy server designed for large service-oriented architectures. Envoy Zendesk provides hosted customer service software. Zendesk Cloudflare provides a content delivery network. Cloudflare provides DNS servers and other web services. Gmail is the email service provided by Google. Zendesk provides hosted customer service software. Zendesk GlobalSign is an IT security service provider, also operating as SSL certificate authority. Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. Let’s Encrypt The jQuery CDN hosts copies of the jQuery library, provided by MaxCDN. Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services. The Google Advertising network consists of AdSense, DoubleClick and other services. The Google Tag Manager is a Google service to support webmasters to manage tags on their websites. Facebook Social Plugins provide a way for Facebook users to share web pages with their friends. Facebook A Twitter/X Button allows a Twitter user to post a tweet from the visited site. Twitter/X LinkedIn Share Buttons enable visitors to to share website content with their LinkedIn network. LinkedIn External Cascading Style Sheets define style rules in a separate CSS file. Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page. Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Brotli is a lossless compression algorithm developed by Google. The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address. HTTP/2 is the second major version of the HTTP network protocol. HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections. HTTP Strict Transport Security The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/. The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph. Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets. Twitter/X Cards JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. JSON-LD HTML5 is the fifth revision of the HTML standard. UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII. PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF. Scalable Vector Graphics (SVG) is an XML-based vector image format. Commercial entities
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