W3 Total Cache Description
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.
W3 Total Cache 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.
Benefit for using W3 Total Cache
- 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.
Key Features of W3 Total Cache
- 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 (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
- 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
- Minify CSS, Minify JavaScript and Minify HTML with granular control
- Minification of posts and pages and RSS feeds
- Minification of inline, embedded or 3rd party JavaScript with automated updates to assets
- Minification of inline, embedded or 3rd party CSS with automated updates to assets
- Defer non critical CSS and Javascript for rendering pages faster than ever before
- 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”
- 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)
- 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
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