W3 Total Cache: Improve site performance and user experience via caching: browser, page, object, database, minify and content delivery network support.
The most complete WordPress performance framework.
Recommended by web hosts like: MediaTemple, Host Gator, Page.ly and WP Engine and countless more.
Trusted by countless sites like: mattcutts.com, mashable.com, smashingmagazine.com, makeuseof.com, yoast.com, kiss925.com, pearsonified.com, lockergnome.com, johnchow.com, ilovetypography.com, webdesignerdepot.com, css-tricks.com and tens of thousands of others.
W3 Total Cache improves the user experience of your site by improving your server performance, caching every aspect of your site, reducing the download times and providing transparent content delivery network (CDN) integration.
An inside look: