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Site Info - Opencantonese.orgOverview of web technologies used by Opencantonese.org. Website Background Open Cantonese: Free Cantonese LessonsLearn Cantonese speaking, listening, pronunciation, vocabulary and grammar. Description on Homepage Top 10m among all websites Popularity rank Discourse is an open source discussion platform written in Ruby on Rails. Discourse 3.4.0 JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript. 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. Next.js is an open source JavaScript framework based on React and Node.js. Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev. Nginx Linux is a Unix-like open source operating system originally developed by Linus Torvalds. Vercel (formerly Zeit) offers hosting for web applications and static websites. DigitalOcean is a US-based web hosting provider. DigitalOcean Amazon is a US-based e-commerce and cloud computing provider. DigitalOcean is a US-based web hosting provider. DigitalOcean Namecheap is a US-based domain registrar and web hosting company. Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. 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. Embedded CSS 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. Gzip (GNU zip) is a file compression algorithm. Gzip Compression A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache. 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. Open 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 Microdata is a specification to integrate metadata within existing content on web pages. Microdata 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. Scalable Vector Graphics (SVG) is an XML-based vector image format. 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. PNG Organizations
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