USABILITY.KDE.ORG

Apache has been the most popular web server on the Internet since April 1996.

Ubuntu is a free, Debian derived Linux-based operating system, available with both community and professional support.

Varnish is a web accelerator / reverse proxy caching server.

MediaWiki is a free software wiki package originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including The website.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

The DOCTYPE is a required preamble for HTML5 websites.

The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.

The website implements links to RDF documents. The Resource Description Framework (RDF) integrates a variety of applications from library catalogs and world-wide directories to syndication and aggregation of news, software, and content to personal collections of music, photos, and events using XML as an interchange syntax.

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. The website uses JavaScript.

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.