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nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

Piwik is an open source web analytics software. It gives interesting reports on your website visitors, your popular pages, the search engines keywords they used, the language they speak and so much more. Piwik aims to be an open source alternative to Google Analytics.

WP Super Cache is a page cache generation tool for WordPress.

XHTML Friends Network is a simple way to represent human relationships using hyperlinks.

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

Creative Commons licenses provide a flexible range of protections and freedoms for authors, artists, and educators.

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.

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