Frameworks

PHPPHP

PHP Usage Statistics · Download List of All Websites using PHP

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

Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

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

Operating Systems and Servers

Red Hat Enterprise LinuxRed Hat Enterprise Linux

Red Hat Enterprise Linux Usage Statistics · Download List of All Websites using Red Hat Enterprise Linux

Red Hat Enterprise Linux (often abbreviated to RHEL) is a Linux distribution produced by Red Hat and targeted toward the commercial market, including mainframes.

Document Encoding

UTF-8UTF-8

UTF-8 Usage Statistics · Download List of All Websites using UTF-8

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

Document Standards

HTML 4.01 Transitional DTDHTML 4.01 Transitional DTD

HTML 4.01 Transitional DTD Usage Statistics · Download List of All Websites using HTML 4.01 Transitional DTD

Claims HTML 4.01 Transitional DTD, which includes presentation attributes and elements that W3C expects to phase out as support for style sheets matures.

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

JavaScript is a scripting language most often used for client-side web development.