W3 Total Cache的作者是BoldGrid，目前有1+ 百万个有效安装。已经Tested with 5.4.1版本的wordpress。
W3 Total Cache (W3TC) improves the SEO and user experience of your site by increasing website performance and reducing load times by leveraging features like content delivery network (CDN) integration and the latest best practices.
W3TC is the only web host agnostic Web Performance Optimization (WPO) framework for WordPress trusted by millions of publishers, web developers, and web hosts worldwide for more than a decade. It is the total performance solution for optimizing your WordPress Website.
An inside look:
Improvements in search engine result page rankings, especially for mobile-friendly websites and sites that use SSL
At least 10x improvement in overall site performance (Grade A in WebPagetest 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” repeat page views: browser caching
Optimized progressive render: pages start rendering quickly and can be interacted with more 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 when you minify HTML, minify CSS and minify JS files.
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
Accelerated Mobile Pages (AMP) support
Secure Socket Layer (SSL) support
Caching of (minified and compressed) pages and posts in memory or on disk or on (FSD) CDN (by user agent group)
Caching of feeds (site, categories, tags, comments, search results) in memory or on disk or on CDN
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
Caching of fragments in memory or on disk
Caching methods include local Disk, Redis, Memcached, APC, APCu, eAccelerator, XCache, and WinCache
Minification of posts and pages and RSS feeds
Minification of inline, embedded or 3rd party CSS with automated updates to assets
Defer offscreen images using Lazy Load to improve the user experience
Browser caching using cache-control, future expire headers and entity tags (ETag) with “cache-busting”
Import post attachments directly into the Media Library (and CDN)
Leverage our multiple CDN integrations to optimize images
WP-CLI support for cache purging, query string updating and more
Various security features to help ensure website safety
Caching statistics for performance insights of any enabled feature
Extension framework for customization or extensibility for Cloudflare, WPML and much more
Reverse proxy integration via Nginx or Varnish
Speed up your site tremendously, and improve the user experience for your readers without having to change WordPress, your theme, your plugins or how you produce your content.
WHAT USERS HAVE TO SAY:
Read testimonials from W3TC users.
WHO DO I THANK FOR ALL OF THIS?
It’s quite difficult to recall all of the innovators that have shared their thoughts, code and experiences in the blogosphere over the years, but here are some names to get you started:
Please reach out to all of these people and support their projects if you’re so inclined.