Facebook's Like button is the quickest way for people to share content with their friends. A single click on the Like button will 'like' pieces of content on the web and share them on Facebook. You can also display a Share button next to the Like button to let people add a personal message and customize who they share with.

Facebook Social Plugins

Websites Using Facebook Social Plugins

See what your Facebook friends have liked, shared, or commented on across the Web. This includes all variations of Like, Share and Follow Buttons, Embedded Posts, Comments, Activity Feed, Recommendations Feed, Recommendations Bar, Like Box and Facepile.

JavaScript

html5shiv

Websites Using html5shiv

This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.

jQuery

Websites Using jQuery

jQuery: The Write Less, Do More, JavaScript Library.

Mobile

Meta Viewport

Websites Using Meta Viewport

This site uses the viewport meta tag which means the content may be optimized for mobile content.

Polls and Quizzes

WP-Polls

Websites Using WP-Polls

An AJAX poll system for WordPress blogs.

Content Management System

WordPress

Websites Using WordPress

A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.

Drupal

Websites Using Drupal

Drupal is a free software package that allows you to easily organize, manage and publish your content, with an endless variety of customization

Server

Web Hosting

Bluehost

Websites Using Bluehost

BlueHost web hosting services

Web Server

nginx

Websites Using nginx

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

Framework

PHP

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.

Document Standard

HTML5 DocType

Websites Using HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

X-UA-Compatible

Websites Using X-UA-Compatible

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.

Fonts

Google Web Fonts

Websites Using Google Web Fonts

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

Meta Tags

Meta http-equiv

Websites Using Meta http-equiv

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

Canonical Tag