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

FreeBSD is an operating system for modern server, desktop, and embedded computer platforms.

WebDAV stands for "Web-based Distributed Authoring and Versioning". It is a set of extensions to the HTTP protocol which allows users to collaboratively edit and manage files on remote web servers.

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

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The website claims XHTML strict. XHTML Strict is the same as HTML 4.01 Strict but follows XML guidelines. See the link for more information.

Meta tag containing keywords related to the page.

The description attribute provides a concise explanation of the page content.

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

The website uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.

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.