LiteSpeed Cache - Powerful Caching Plugin For Awesome Page Speed Score (Review 2021)

LiteSpeed Cache - Powerful Caching Plugin For Awesome Page Speed Score (Review 2021)

Are you looking for a caching tool that comes along with other optimization features to improve your website loading time?

Then, make sure you check out this post because we will review the most powerful caching plugin on WordPress, the LiteSpeed Cache plugin.

Getting Started

LiteSpeed Cache plugin is an all-in-one website acceleration plugin that you can use for free. This plugin is intended to be a server-level caching plugin and is meant to work seamlessly with the LiteSpeed webserver. Besides its powerful cache-management tools, LiteSpeed Cache also features several optimization features, hence, allows it dramatically reduce page load times. 

Being one of the most powerful caching plugins, LiteSpeed Cache has more than 2 million active installs on WordPress. With LiteSpeed, your website can employ the best practices that make for a high PageSpeed score and exceptional user experience. In fact, it is so good at optimization that this plugin alone may change your low Google PageSpeed Insights score to a very high score like in the 90s.

What Does LiteSpeed Cache Do?

LiteSpeed Cache optimizes your website so that it would load faster. It’s famous to be the best caching plugin out there. Basically, this plugin has two purposes: 

  1. Full-page cache for your site’s dynamically generated pages
  2. Site-optimization plugin. 

Besides the caching feature, the faster loading website is the result of the optimization features by LiteSpeed Cache. Some of the notable features of LiteSpeed Cache:

  • Server-level full page cache
  • Lazy Loading images
  • Database optimization
  • Browser cache support
  • PageSpeed score optimization
  • CDN (Content delivery network) support
  • Images optimization
  • Page optimization (JS, CSS, HTML minification & combination)

How Does LiteSpeed Cache Work?

The caching feature of the LiteSpeed Cache plugin is a server-side page cache. This means the plugin is storing static snapshots of the pages on your WordPress site. Instead of generating the same page multiple times, LiteSpeed Cache does it once and saves the results at the server level. Hence, it can accelerate your website loading time. 

One thing to note, it requires you to have LiteSpeed Web Server in order to do caching on your website. However, the other optimization features are can be used independently on the LiteSpeed Cache plugin without the need for server software.

Read more about How to Increase Website Speed and Get a Lightning Fast Website in 2021

Where Are the Cached Files Stored?

The actual cached pages are stored and managed by LiteSpeed Servers. So, nothing is stored within the WordPress file structure.

What Are the Features of LiteSpeed Cache?

LiteSpeed Cache gives a lot of features and customization options that you can use to accelerate your website. Unlike other plugins, it has a server-level caching feature, database optimization, and image optimization in one plugin. Therefore, you can say that LiteSpeed Cache is superior to any other caching plugins.

Some of the features you can find in the LiteSpeed Cache plugin are:

Server-level Caching

Along with LiteSpeed’s web server, this plugin stores the static copies of dynamically generated web pages, hence, enabling faster page retrieval for cached and uncached content. Not only that, but this plugin also comes with smart features, such as tag-based smart cache purging and cash multiple versions of generated content (based on visitors, geo locations, currencies, and more). 

Application-level Caching

Still, if you aren’t using LiteSpeed as your web server, you can use the caching features of the LiteSpeed Cache plugin. However, obviously, you will get an application-level caching solution instead of a server-level.

Public & Private Caching

LiteSpeed Cache provides you with both public caching and private caching options. In addition to that, you get to force certain resources to be cached, exclude certain resources from public caching, separately cache mobile views, provide a list of query parameters that should be dropped/ignored while serving cached files, and do other customizations.

Page Optimization

In LiteSpeed Cache, you will get many customization options to better optimize your website page. It comes with:

  • HTML, CSS, JS optimization
  • HTTP/2 server push
  • External font optimization
  • Resource hints – DNS prefetch
  • Localization
  • Lazy Loading images
  • Critical CSS

Database Optimization

LiteSpeed Cache also gives you database optimization so you don’t need a separate plugin for it.  It keeps your WordPress database slim, trim, and more efficient in order to load faster and provide a seamless user experience.

Image Optimization

This feature enables you to automatically reduce the size of your website’s images in order to improve the page load times with ease. Additionally, the plugin also facilitates the WebP file format to compress smaller image files. The individual images can be reverted back to their original formats as per your requirements. However, it lacks adaptive image optimization.

Low-Quality Image Placeholder

Low-Quality Image Placeholder (LQIP) is an ultra-compressed version of the original image. With this feature, images on your website will have smaller sizes and qualities, hence, making them load faster.

CDN Service

With the LiteSpeed Cache plugin, you don’t need to install a third-party CDN plugin. As the plugin already features a reliable content delivery network, you can easily speed up your website by serving static content to your visitors from locations that are geographically closer to them.

Edge Side Includes (ESI)

ESI is a caching type that happens at the CDN edges/data centers. As a result, this feature accelerates the delivery of your website files from the CDN. You will need to use a LiteSpeed Enterprise web server or QUIC. cloud CDN to use this feature.


LiteSpeed Cache comes with a built-in crawler that helps make your website load faster even to the first visitor on the pages.

Why Should I Use LiteSpeed Cache?

LiteSpeed has been one of the mandatory plugins we used when developing a WordPress site, and until now a lot of our clients are very happy with the way it is performed. It reduces the heating cost for hosting because now the website is loading faster, and spikes in traffic would not be a problem anymore.

The following are a few reasons why you should use LiteSpeed Cache as your site acceleration plugin:

All-in-one website optimization features

By using the LiteSpeed Cache plugin, you don’t need to install separate plugins for each optimization tool. You will get all optimization tools for caching, database, page, images, CDN in one plugin with LiteSpeed Cache plugin. Hence, you can save yourself from wasting time and money to get another website optimization plugin.

Distinctly accelerate your website speed

Along with its powerful caching and optimization features in LiteSpeed Cache, it definitely will distinctly accelerate your website speed. In fact, it proves its worth by increasing a website with the low Google PageSpeed Insights score to a 90s score.

Works well on other platforms

The LiteSpeed Cache plugin is fully compatible with WordPress. Not only that, but it also works well in other platforms like ClassicPress, Magento, Joomla, OpenCart, Drupal, and some others.

Compatible with other plugins

No worries, you can use the LiteSpeed Cache plugin alongside other great plugins on WordPress. For instance, WooCommerce, bbPress, Contact Form 7, Google XML Sitemaps, Yoast SEO, JetPack, WordFence, Avada, and other plugins.

The plugin is free and open-source

The biggest advantage of the LiteSpeed Cache plugin, other than its powerful caching, is you can use the plugin for free. You can enjoy features like page optimization, database optimization, image optimization, lazy load, DNS prefetch, CDN service for free. 

Is LiteSpeed Cache Free?

Yes, the LiteSpeed Cache plugin is 100% free and open source. That said, if you want to use the cache features from this plugin, you must pay for a LiteSpeed server. In addition to that, some of the premium online services provided through (CDN Service, Image Optimization, Critical CSS, Low-Quality Image Placeholder, etc.) also require payment at certain usage levels.

How Much Does LiteSpeed Cache Cost?

Despite its plugin being free to use, you must buy a LiteSpeed webserver to have access to its caching feature. However, you still can use a free LiteSpeed webserver only on 1 domain with the free starter plan. Here are the LiteSpeed pricing plans:

Site Owner

  • Monthly: $10 per month
  • Yearly: $110 per year

Site Owner Plus

  • Monthly: $16 per month
  • Yearly: $176 per year

Web Host Lite

  • Monthly: $26 per month
  • Yearly: $286 per year
  • Lifetime: $464

Web Host Essential

  • Monthly: $36 per month
  • Yearly: $396 per year
  • Lifetime: $614

Web Host Professional

  • Monthly: $46 per month
  • Yearly: $506 per year
  • Lifetime: $799

Web Host Enterprise

  • Monthly: $65 per month
  • Yearly: $715 per year
  • Lifetime: $1299

Web Host Elite

  • Monthly: $92 per month
  • Yearly: $1012 per year
  • Lifetime: $1999

Find out more about LiteSpeed pricing and features here.

How to Use LiteSpeed Cache

Here are lists of tutorials you can use to learn more about the plugin :


  • Free plugin
  • Great website optimization plugin
  • Caching and website optimization tools in one plugin
  • Does improve page speed score


  • The caching feature needs a LiteSpeed server
  • Customization is quite tricky

What Are the Alternatives to LiteSpeed Cache?

For site speed optimization, there are other plugins that can be the LiteSpeed Cache alternatives:

  • WP Rocket – Premium site optimization plugin
  • W3 Total Cache – Complete framework for free site speed optimizer
  • WP Super Cache – Simple yet super caching tool for site speed optimizer
  • Autoptimize – Free site speed optimizer plugin with great features
  • NitroPack – The best site speed optimization plugin for beginners
  • Docker Cache – Site speed optimization plugin with advanced object caching
  • Fast Velocity Minify – HTML, CSS & JS optimization plugin for developers and advanced users


The LiteSpeed Cache plugin is so much more than an ordinary caching plugin. It’s packed with a variety of features to optimize your WordPress performance to your WordPress sites. This single plugin is powerful enough to deliver maximum performance to your WordPress website without any hassle. In conclusion, this plugin is an all-in-one site acceleration plugin that is free to use and open-source. However, please keep in mind you need to purchase a LiteSpeed server to get all the exclusive features.


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