A WordPress performance framework. Improve site performance via caching.
A script toolkit which allows users to install a growing number of apps on their site.
AddThis, the new brand name for Clearspring Technologies, is the leader in socially connecting publishers, services and advertisers to audiences on the open web. Reaching more than 1.3 billion unique users monthly, AddThis’ social tools and analytics are used on more than 14 million unique domains to distribute and track digital...
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Open graph description entity tag