The 12 Best Cache Plugins for WordPress, Compared

cache wordpress.jpg
cache wordpress.jpg

In today’s digital world, the speed of your website is essential. A slow website can lead to a poor user experience, higher bounce rates, and lower search engine rankings. Fortunately, there are a number of WordPress plugins available that can help you optimize the speed and performance of your website.

These plugins work by caching your website pages, optimizing your code, minimizing HTTP requests, and much more. In this article, we have compiled a list of the best WordPress plugins for speed optimization. These plugins can significantly improve the speed, performance, and SEO of your website. From WP Rocket to Asset Cleanup, each plugin has its own unique features and benefits that can help you improve the speed of your website.

Here is the list of speed optimization WordPress plugins and their features and benefits. Each of these plugins has its own strengths and weaknesses, and choosing the best one for your site will depend on your specific needs. Some are more suitable for advanced users looking for granular control, while others are more suitable for beginners looking for an easy-to-use solution. Some focus on specific areas of optimization, such as image optimization, while others offer a broader range of features.


This premium plugin is an all-in-one solution that offers a wide range of features, including performance optimization for eCommerce sites. It’s easy to set up and starts working immediately, optimizing your website’s performance with minimal configuration.

  • Cache pre-loading: Automatically regenerates the cache when changes are made to the site.
  • Deferred Loading: Delays the loading of images, videos, and other content until they are needed.
  • Minification: Reduce the size of your website’s HTML, CSS, and JavaScript files to improve their performance.
  • Database Optimization – Removes unnecessary data such as post revisions, spam comments, and trashed items.
  • CDN Integration – Integrates with many CDNs such as Cloudflare, MaxCDN, KeyCDN, Amazon CloudFront, and your own CDN service.
  • Price: Paid plans start at $59 per year.
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This all-in-one plugin simplifies the process of optimizing your WordPress website. Unlike other plugins, NitroPack optimizes everything for you, making it a great solution for users who are unfamiliar with the technical aspects of website optimization.

  • Advanced caching mechanisms: includes browser and session cache, device and cookie cache, and more.
  • It generates critical CSS for each page, which is the minimum CSS required to render the content above the fold.
  • It uses server-level caching to cache pages and other content.
  • It includes a lazy loading feature for images that loads images as visitors scroll down the page.
  • Price: Free, $210 a year.


This all-in-one plugin helps website owners to optimize and improve website performance. What sets it apart from others is that it has a built-in database cleanup feature that can easily replace other database optimization plugins.

  • Cleaning and optimization of the database to improve the performance of the site.
  • Image compression to reduce file sizes and improve site speed.
  • Lazy loading of images to further improve page load times.
  • Elimination of unnecessary post revisions, drafts, and spam comments to reduce database clutter.
  • Price: Free, paid plans start at $49 per year.


This essential performance plugin is perfect for WordPress users looking for a lightweight solution to improve the speed of their website. Perfmatters handles dozens of smaller tasks for WordPress websites that some all-in-one solutions don’t.

  • Turn off unnecessary features that slow down your websites, like emojis, Gravatars, and query strings.
  • It includes a script manager that allows you to disable JavaScript and CSS files on a per page basis.
  • Price: Free, Pro starts at $24.95 per year.

W3 Full Cache

This free plugin is powerful and extremely popular, designed for advanced users and developers. It offers a wide range of caching methods that give users complete control over the optimization of their site.

  • You can cache specific parts of a page through the fragment cache to speed up dynamic content and reduce server load.
  • It includes object caching, which stores frequently used data in memory to reduce the time it takes to load.
  • Price: Free, paid plan is $99 per year.
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EWW Image Optimizer

This plugin focuses solely on images, which can be a big part of the bloat on your website. EWWW offers very specific image optimization to ensure that they don’t unnecessarily slow down your website.

  • Lossless image compression to reduce file size without compromising image quality.
  • Ability to optimize images in bulk or on original upload to save time.
  • Price: Free, paid plans start at $70 per year.

WP Fastest Cache

This free and easy to use plugin offers an ideal balance between features and ease of use. It’s simple and straightforward to install and configure, making it perfect for both beginners and experienced developers looking for a quick and easy caching solution.

  • Browser caching and GZip compression.
  • Minification and concatenation of HTML, CSS and JavaScript files.
  • Price: Free, paid plans start at $49 for life.


This free plugin is very popular among site owners looking to speed up their sites and improve their performance. It can handle basics like image optimization, aggregation, and minification.

  • Allows asynchronous loading of JavaScript files by loading scripts in the background without delaying page rendering.
  • Provides options to defer loading non-critical JavaScript files until after the page has loaded.
  • Price: Free, paid plan is $79 per year.

WP Super Cache

This free and popular WordPress caching plugin was developed by Automattic, the company behind and WooCommerce. It is an excellent solution for website owners who want to improve the performance of their website by reducing server load time and providing a faster browsing experience for visitors.

  • Advanced settings for advanced users, including support for WP-CLI and REST API.
  • Serve cached pages to visitors who are not logged in or have not left a comment on the site.
  • Price: free.
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Litespeed Cache

This free caching plugin is designed to optimize your WordPress site for faster load times. What sets Litespeed Cache apart from other plugins is that it is a server-level cache, which means it can bypass PHP and database queries to speed up your website.

  • It provides server-wide full page caching, which stores full HTML pages and serves them to visitors without running PHP scripts.
  • Advanced image optimization options, including conversion to WebP, lazy loading, and adaptive images.
  • Price: free.

Short Pixel

Like EWWW, Short Pixel is an image optimization platform. Images can be some of the heaviest elements on your website, so optimizing them can have a significant impact on your site speed. Short Pixel offers a variety of compression algorithms to suit your needs.

  • Reduces the size of images by compressing them without any visible loss of quality.
  • It offers multiple compression algorithms including lossy, glossy, and lossless compression.
  • Price: Free, $99 per year for unlimited credits on one site.

Asset Cleanup

This plugin allows you to disable unnecessary scripts and styles that can slow down your site. It is a useful tool for developers looking for more granular control over the resources that are loaded on each page.

  • Remove unnecessary scripts and style sheets that can slow down page load times.
  • It offers advanced cleanup options, such as the ability to disable certain scripts and style sheets on specific pages or posts.
  • Price: Free, paid plans start at $49 per year.

In addition to these plugins, there are also other free WordPress speed optimization tools like TinyPNG, GTMetrix, Pingdom, Sucuri Security, PageSpeed ​​Insights, and Optimole. There are also hosting providers that offer built-in speed and optimization tools like SiteGround Optimizer, WP Engine Caching, and Cloudways Caching.