W3 Total Cache (W3TC) improves the SEO, Core Web Vitals and overall 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 WordPress Websites.

BENEFITS

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 PageSpeed 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

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/TLS) 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
Image Converter extension provides modern image format conversion (e.g., WebP, AVIF) from common image formats (on upload and on demand)

W3 Total Cache Pro Features

With over a million active installs, W3 Total Cache is the most comprehensive WordPress caching plugin available and has robust premium features that help deliver an exceptional user experience.

Full Site Delivery: Serve your entire site from a Content Delivery Network (CDN), ensuring faster load times worldwide.
Fragment Cache: Optimize the caching of dynamic content while still improving performance.
REST API Caching: Speed up your headless WordPress site by caching REST API calls.
Eliminate Render-Blocking CSS: Ensure your CSS doesn’t hold up page loading, providing faster initial paint.
Delay Scripts: Improve performance by delaying the loading of non-essential scripts until they are needed.
Preload Requests: Boost page performance by preloading critical resources before they’re requested.
Remove CSS/JS: Clean up unnecessary CSS and JavaScript files that slow down your pages.
Lazy Load Google Maps: Load Google Maps only when it’s visible, reducing unnecessary requests.
WPML Extension: Optimize performance on multilingual sites powered by WPML.
Caching Statistics: Get detailed insights on cache usage and performance improvements.
Purge Logs: Keep your site clean by automatically purging unnecessary cache logs.

30-Day Money-Back Guarantee

Try W3 Total Cache Pro risk-free with our 30-day money-back guarantee. If you’re not satisfied, we will refund your purchase.

PAGESPEED SCORE IMPROVEMENTS

To help you understand the impact of individual features on your website’s performance, we’ve tested each feature separately to see its effect on Google PageSpeed scores. While optimal results come from configuring several different caching tools together, the following individual features also show significant improvements on their own:

Remove Unused CSS/JS

This feature removes CSS and JavaScript files that are not needed for the current page, reducing the load time.

Added over 27 points to the Google PageSpeed score (Before: 57.2 / After: 86.7)
Reduced the Potential Savings From Unused JavaScript from 127.5 KiB to 84 KiB
View the test results

Full Site Delivery

Full Site Delivery optimizes the delivery of your entire site, enhancing the server response time.

Added a 99% performance enhancement to the Average Server Response Time (Before: 3413 ms / After: 34 ms)
View the test results

Eliminate Render Blocking CSS

This feature eliminates CSS that blocks the rendering of your page, speeding up the initial load time.

Added over 17 points to the Google PageSpeed score (Before: 53.75 / After: 71)
Reduced the Potential Savings From Render-Blocking Resources by over 94% (Before: 2432.5 ms / After: 125 ms)
Improved the Largest Contentful Paint time by over 56% (Before: 7s / After: 3.04s)
View the test results

Delay Scripts

Delay Scripts postpones the loading of certain scripts until they are needed, reducing initial load times.

Added 14 points to the Google PageSpeed Performance score (Before: 54.25 / After: 68.5)
Reduced the Time Third-Party Code Blocked The Main Thread For by 62% (Before: 825 ms / After: 197.5 ms)
View the test results

Rest API Caching

This feature caches API responses, reducing server load and speeding up API interactions.

Reduced the Average Server Load by 40% (Before: 0.62 / After: 0.37)
Sped up API Responses by 84.5% (Before: 968ms / After: 150ms)
Reduced the Average Server Load by 24% under during a major traffic spike (Before: 34.55 / After: 26.19)
View the test results

Modern Image Formats

Converts images to modern formats like WebP or AVIF, which are more efficient and faster to load.

Added over 9 points to the Google PageSpeed score (Before: 84.67 / After: 93.83)
View the test results

Lazy Load Google Maps

Delays the loading of Google Maps until the user interacts with them, reducing initial load time.

Added 10 points to the Google PageSpeed score (Before: 66 / After: 76)
Reduced the Total Blocking Time Performance score by 72% (Before: 287.5 ms / After: 80 ms)
View the test results

Speed up your site tremendously, improve core web vitals and the overall user experience for your visitors without having to change your WordPress host, theme, plugins or your content production workflow.

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:

Steve Souders
Steve Clay
Ryan Grove
Nicholas Zakas
Ryan Dean
Andrei Zmievski
George Schlossnagle
Daniel Cowgill
Rasmus Lerdorf
Gopal Vijayaraghavan
Bart Vanbraban
mOo
[villu164] (https://www.wordfence.com/threat-intel/vulnerabilities/researchers/villu164)

Please reach out to all of these people and support their projects if you’re so inclined.

W3 Total Cache