Google Analytics

Google Analytics Usage Statistics · Download List of All Websites using Google Analytics

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

Application Performance · Audience Measurement · Visitor Count Tracking

AJAX 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.

Facebook for Websites

Facebook for Websites Usage Statistics · Download List of All Websites using Facebook for Websites

Allows a user to make a website more sociable and connected with integrations from the hugely popular Facebook website.

jQuery

jQuery Usage Statistics · Download List of All Websites using jQuery

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.

JavaScript Library

Google 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.

Yahoo 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

Facebook

Facebook Usage Statistics · Download List of All Websites using Facebook

The website mentions facebook.com in some form.

HTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Open Graph Protocol

Open Graph Protocol Usage Statistics

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Javascript

Javascript Usage Statistics

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

X-UA-Compatible

X-UA-Compatible Usage Statistics

Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.

Meta Keywords

Meta Keywords Usage Statistics

Meta tag containing keywords related to the page.

Cascading Style Sheets

Cascading Style Sheets Usage Statistics

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

Conditional Comments

Conditional Comments Usage Statistics

[url] 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.