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.

Content Delivery Network

AJAX Libraries APIAJAX Libraries API

AJAX Libraries API Usage Statistics · Download List of All Websites using AJAX Libraries API

The AJAX Libraries API is a content distribution network and loading architecture for the most popular, open source JavaScript libraries.

JavaScript Libraries and Functions

Yahoo User InterfaceYahoo User Interface

Yahoo User Interface Usage Statistics · Download List of All Websites using Yahoo User Interface

The Yahoo! User Interface (YUI) Library is a set of utilities and controls, written in JavaScript, for building richly interactive web applications using techniques such as DOM scripting, DHTML and AJAX.

JavaScript Library

Google Hosted LibrariesGoogle Hosted Libraries

Google Hosted Libraries Usage Statistics · Download List of All Websites using Google Hosted Libraries

Google Hosted Libraries is a globally available content distribution network for the most popular, open-source JavaScript libraries.

SSL Certificates

SSL by DefaultSSL by Default

SSL by Default Usage Statistics · Download List of All Websites using SSL by Default

The website redirects traffic to an HTTPS/SSL version by default.

Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

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

CentOSCentOS

CentOS Usage Statistics · Download List of All Websites using CentOS

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.