W3 Total Cache

Easy Web Performance Optimization (WPO) using caching: browser, page, object, database, minify and content delivery network support.

Download Version 0.9.4.1

The only WordPress Performance Optimization (WPO) framework; designed to improve user experience and page speed.
Recommended by web hosts like: Page.ly, Synthesis, DreamHost, MediaTemple, Go Daddy, Host Gator and countless more.
Trusted by countless companies like: AT&T, stevesouders.com, 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 increasing server performance, reducing the download times and providing transparent content delivery network (CDN) integration.
Benefits:

• At least 10x improvement in overall site performance (Grade A in YSlow or significant Google Page Speed improvements) when fully configured
• Improved conversion rates and "site performance" which affect your site's rank on Google.com
• "Instant" subsequent page views: browser caching
• Optimized progressive render: pages start rendering quickly
• Reduced page load time: increased visitor time on site; visitors view more pages
• Improved web server performance; sustain high traffic periods
• Up to 80% bandwidth savings via minify and HTTP compression of HTML, CSS, JavaScript and feeds

Features:

• Compatible with shared hosting, virtual private / dedicated servers and dedicated servers / clusters
• Transparent content delivery network (CDN) management with Media Library, theme files and WordPress itself
• Mobile support: respective caching of pages by referrer or groups of user agents including theme switching for groups of referrers or user agents
• Caching of (minified and compressed) pages and posts in memory or on disk or on CDN (mirror only)
• Caching of (minified and compressed) CSS and JavaScript in memory, on disk or on CDN
• Caching of feeds (site, categories, tags, comments, search results) in memory or on disk or on CDN (mirror only)
• Caching of search results pages (i.e. URIs with query string variables) in memory or on disk
• Caching of database objects in memory or on disk
• Caching of objects in memory or on disk
• Minification of posts and pages and feeds
• Minification of inline, embedded or 3rd party JavaScript (with automated updates)
• Minification of inline, embedded or 3rd party CSS (with automated updates)
• Browser caching using cache-control, future expire headers and entity tags (ETag) with "cache-busting"
• JavaScript grouping by template (home page, post page etc) with embed location control
• Non-blocking JavaScript embedding
• Import post attachments directly into the Media Library (and CDN)
• WP-CLI support for cache purging, query string updating and more

Improve the user experience for your readers without having to change WordPress, your theme, your plugins or how you produce your content.

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