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Site Info - Hexlet.ioOverview of web technologies used by Hexlet.io. Website Background Programming education: online courses for beginners and advanced studentsLive online community of programmers and developers. Author training programs with practice and finished projects in resumes. Hiring assistance after successful graduation Description on Homepage Top 100k among all websites Popularity rank PHP is a scripting language for creating websites. PHP JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. Angular is a JavaScript library for building web applications, developed by Google. jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig. jQuery 2.1.1 Materialize is a responsive front-end framework based on material design. Materialize Cloudflare Server is a web server developed by Cloudflare. Amazon is a US-based e-commerce and cloud computing provider.
Amazon is a US-based e-commerce and cloud computing provider.
Cloudflare provides a content delivery network. Cloudflare provides DNS servers and other web services. Gmail is the email service provided by Google. GlobalSign is an IT security service provider, also operating as SSL certificate authority. IdenTrust is a SSL certificate authority.
jsDelivr is a service for hosting JavaScript files. jsDelivr 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. Yandex.Metrica is a free web analytics system combining customizable reporting tools with behavioral analytics. New Relic is a web application performance management tool. Top.Mail.Ru is a Russian web access counter service. Cloudflare Web Analytics is a privacy-respecting website traffic analytics service.
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. 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. Session cookies are temporary cookies, which are deleted when the user closes the browser. Session Cookies Persistent cookies with an expiration time between 1 day and 1 month. HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security. Secure cookies are used only via an encrypted connections, which may increase security. Gzip (GNU zip) is a file compression algorithm. Brotli is a lossless compression algorithm developed by Google. Brotli Compression A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache. 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/3 is the third major version of the HTTP network protocol, derived from the QUIC 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/. Persistent cookies with an expiration time of up to 1 day.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
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. JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization. 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. JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images. Scalable Vector Graphics (SVG) is an XML-based vector image format. British Indian Ocean Territory
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