Best 9 WordPress Cache Plugins to speed up your site in 2021

Have you ever got confused with choosing an ice cream flavor? Similar is with WordPress caching plugins; the technology is a little complex to explain. 

However, it can be simple like a math problem. What’s 5 times 2? Most of us can immediately tell the answer is 10. Why so? They have memorized the answer. There is a minimal amount of calculation going on in our heads. 

It helps to visualize how the caching process works and why you might need a WordPress caching plugin. 

Your website may be viewed dozens of times each week. May be seen even higher numbers, in hundreds, in thousands, or millions. Seeing how your website is serving, or similar, content regularly, wouldn’t it be nice if the server remembers all these files to serve up your website?

What is Caching by plugins in WordPress?

A cache is a collection of temporarily stored data for quick access upon request. In computers, information is usually stored on a hard disk. When the data is requested, the computer runs several processes before the information can be performed. 

Caching solves such issues by processing frequently requested information and storing it in temporary storage or memory. This allows the computer to present the files quickly. 

The same concept is used by WordPress websites to improve performance and load websites faster.

Why your WordPress needs Caching Plugin?

Caching helps to reduce the load on website hosting servers, and that makes website load faster. The proper caching setup helps to improve your website’s loading speed and performance. 

A faster website also helps to improve user experience and encourages users to visit more pages. It also helps to increase engagement and session duration on your website. 

Disadvantages of Caching

Sometimes you don’t need a caching plugin. Some WordPress themes take care of caching for you. Caching is done at a server level, and in most cases, at a much faster pace. 

Compared to a plugin, the server-level caching requires no expertise, no tweaking dozens of settings trying to achieve the fastest speeds. 

The Best WordPress Cache Plugins

If you intend to manage your own server or use shared hosting, these are the caching plugins to try out. Sone of them is more intuitive than others, but all of them have great reviews. 

Many online posts compare the speed of plugins and sell the best one out. However, it’s impossible to differentiate because every plugin performs differently based on your own server, configuration, server, and even location. 

Here is a short comparison table to quickly browse through.

Comparison Table: WordPress cache plugins

PluginPrice (USD)
W3 Total CacheFree
WP Rocket49
Nitro PackFree
WP Super CacheFree
WP Fastest CacheFree + Premium
Cache EnablerFree
Swift Performance39.99
Hyper CacheFree
Lite Speed CacheFree

W3 Total Cache

It’s no news that W3 total cache is one of the most popular and probably most powerful cache plugins in the WordPress plugin library. Although it’s free to download, it’s more than perfect.

With 1+ million download and over 3,500+ 5 star reviews, makes it one of the popular plugin. The main downside is understanding the backend settings. The beginners find it difficult to understand, but developers have done a decent job of completing the right settings for you. 

It helps to improve the SEO and user experience of your site by increasing website performance and page loading speed. 

Features & Benefits:

  • Compatible with shared hosting, virtual private/ dedicated servers, and dedicated servers/clusters. 
  • Accelerated Mobile Pages (AMP) support.
  • Secure Socket Layer (SSL) support.
  • Caching of CSS and JavaScript in memory, on disk, or on CDN
  • Transparent content delivery network (CDN) management with media, library, theme files, and WordPress itself. 


  • Pricing: The pricing isn’t friendly for anyone who has 3 or more websites. 
  • Interface: There are a lot of confusing options, and nothing is provided in detail in the interface itself. The lack of proper documentation can confuse.
  • Lack of Options: W3 lacks some advanced options such as disabling scripts and optimizing the database that plugins like WP Rocket allows.

Why is W3 Total Cache best WordPress Plugin?

W3 total cache is a completely free plugin and provides the best performance to keep your website fast and optimized. W3 total cache has millions of downloads and thousands of great reviews. The plugin is compatible with all sorts of hosting options. The plugin provides the mobile environment, which means the mobile users get the same benefits of caching like on desktop. It provides SSL support.

Pricing: Free

Link to Buy: W3 Total Cache

WP Rocket

WP Rocket is a premium caching plugin for WordPress websites. With a wide range of options, WP Rockets can be easily used by beginners as well as professionals. WP rocket ensures, website loads blazing fast, which improves SEO ranking and increases conversion. 

WP Rocket is user-friendly and easiest to set up. With 500k+ active installs and with several features make it stand out from other cache plugins. You can connect WP Rocket with your content delivery network (CDN), if you are using CDN like MaxCDN, Cloudflare, or KeyCDN very easily.

WP Rocket is also compatible with WooCommerce and other ecommerce plugin. It also helps to optimize Google fonts by reducing the HTTP delivery requests.

Features & Benefits:

  • Page-Caching
  •  GZIP compression
  • Cache Preloading
  • ecommerce Optimization
  • Excellent Compatibility 
  • Developer & User-friendly
  • Full-featured 
  • Lazy Load for images and iframes


  • Premium: WP Rocket isn’t free, and you can only use it if you are willing to invest. 
  • Overwhelming: WP rocket is not only a cache plugin. It’s an all-in-one speed optimization plugin. It comes with everything that can be overwhelming with no technical knowledge. 

Why is WP Rocket the best WordPress Plugin?

WP Rocket is the fastest and user-friendly. Requires no hard setup configuration, Support is fantastic, and Website loads faster as soon as you install WP Rocket. Pre-settings do 80% optimization at the moment you activate it. 

Pricing: $ 49

Link to Buy: WP Rocket

Nitro Pack

Nitro Pack plugin is cloud-based performance optimization. With an all-in-one performance optimization service, it combines everything to make your website blazing fast. 

Nitro Pack is helping 78k+ websites to reduce load times and page speed scores. With cloud-based optimization makes it a lightweight solution and lowers CPU overhead. 

Apart from this, Nitro Pack offers unique and smart features to make it stand out. With advance caching, complete image optimization stack, HTML, CSS, and JavaScript optimization, and world-class speed algorithm makes it stand out from other caching plugins. 

Features & Benefits:

  • Advance Caching mechanisms like smart cache invalidation, automatic cache warmup, etc.
  • Complete image optimization stack
  • Built-in Global CDN
  • World-Class proprietary speed algorithm
  • HTML, CSS, and JS minification & compression
  • Critical CSS, DNS prefetching, preloading, and more. 
  • Expert and technical support for all users. 


  • Nitro Pack makes your website above-the-fold look ugly when visitors visit for the first time
  • Some modes might be too aggressive
  • Website audit tool can report certain issues

Why is Nitro Pack the best WordPress Plugin?

Nitro pack can easily speed up your website.  Additionally, it’s super easy to use and entirely hands-off once you get over that initial hump. The only factor is price but, its unique features work on all hosting’s & page builders. 

Pricing: Free for one website

Link to Buy: Nitro Pack

WP Super Cache

WP Super cache plugin is also one of the most popular for WordPress users. It is a static caching plugin for WordPress users. With over two million+ active installations, it generates static HTML files using a dynamic WordPress blog. 

One of the most attractive features of WP Super Cache is its simplicity. You can easily find this plugin in the WordPress directory list. 

Features & Benefits:

  • Easy to use
  • Performance Optimization: helps to reduce page loading time and shows required results fasters.
  • Reduce the burden on servers: It saves a copy of the page for the users and serves it to the visitors without bothering the server.
  • User Experience: It improves loading speed and provides a better user experience. 
  • CDN integrated


  • No, minimize CSS and HTML, JS
  • No Google font optimization
  • No lazy load & image optimization

Why is WP Super Cache the best WordPress Plugin?

  • Reduce Load Server
  • Performance Optimization
  • improves User Experience
  • CDN Integration
  • Increases SEO Visibility

Pricing: Free

Link to Buy: WP Super Cache

WP Fastest Cache

WP Fastest cache is also known for its simplicity and ease to use. It is surely one of the favourite plugins for many out there. You get a lot of options and features with paid one like WP Rocket, but if you don’t have a budget WP fastest cache is a good alternative.

With over one million+ active installs, incredible support, and constant updates, make it a favourite one. 

Features & Benefits:

  • Desktop Cache and Browser Cache
  • Minifies HTML, CSS, combine CSS and combine JS.
  • GZIP compression
  • Option to automatically delete cache 

For Premium Version

  • Mobile & Widget Cache
  • Image Optimization
  • Convert WebP, Cache statistics
  • Delete cache logs, database clean-up
  • Google fonts Async and Lazy loads. 


  • Not suitable for multiple sites
  • combines and minimized JS files available only in the premium version
  • Image optimization is available in the premium version
  • Database optimization is available in the premium version 

Why is WP Fastest Cache the best WordPress Plugin?

The plugin creates static HTML files from your dynamic WordPress site and also minifies HTML and CSS files. It also has an option to auto-delete cache files where a post or page is published. 

The premium version provides tons of features that boost your page speed by optimizing images, mobile cache, and several other features. 

Pricing: Free + $49 (Premium)

Link to Buy: WP Fastest Cache

Cache Enabler

Cache Enabler is a free cache plugin available in the WordPress directory list. It improves the page load speed by creating and storing static files like HTML on the server. 

The result is super-quick loading of the webpage, as HTML files are easily delivered without triggering intensive backend processes. Its advantage is WebP format support which offers lossless image compression. 

With 90k+ active installation and 90+ 5-star ratings make it is a popular yet powerful caching plugin. 

Features & Benefits:

  • Fast & efficient cache engine
  • Automatic smart cache clearing
  • Manual cache clearing
  • Minification of HTML excluding or including inline CSS and JavaScript
  • Gzip pre-compression support
  • Custom post type support
  • Cache expiry


  • Combined with WP security, causes issues.
  • Degrades the mobile display of the website.
  • Cache expiry does not always function
  • Compatible problem with WordPress Multisite.
  • Do not compress some files with Gzip.

Why is Cache Enabler the best WordPress Plugin?

Cache enabler is a simple yet powerful & popular plugin that is easy to use and best to help improve the site’s performance for a faster load time. It creates static HTML files on the server’s disk. 

Pricing: Free

Link to Buy: Cache Enabler

Swift Performance

Swift Performance provides an intelligent, modern, and advanced caching system. It’s awesome and unique features improve your website performance. 

It is a powerful plugin tool for beginners & experts. Although, it has a guided setup wizard & auto-config. The plugin needs an expert touch to set up making, it harder for a newbie. 

Swift Performance has two versions of this plugin:

  • Swift Performance Lite
  • Swift Performance Pro

Swift performance lite is a free version of the plugin and is available in the WordPress directory list. 

Features & Benefits:

  • Page Cache, Browser Cache
  • GZIP Compression
  • AJAX caching, warmup table, prebuild cache, lazy load
  • Image optimizer, Minify assets, server push
  • Mini cart support, multi-currency support, session support
  • CDN support, Cloud flare support
  • Database optimizer, plugin organizer


  • Not much documentation is available, making it hard to set up for newbies.
  • No detailed tutorial
  • Features available with the premium version

Why is Cache Enabler the best WordPress Plugin?

Swift Performance is not only a cache plugin, but an all-in-one bundle pack. The unique and awesome features help to increase page load speed and optimize your website in ranking up on SERPs. 

With features like image optimizer, AJAX cache, lazy load, Page & browser cache, prebuild cache, and ecommerce compatibility makes it suitable & popular plugin. 

Pricing: $39.99

Link to Buy: Swift Performance

Hyper Cache

Like any other plugin, Hyper Cache is not so, popular plugin. But, it’s a simple, powerful, and incredible cache plugin. With only 20k+ active installation, there are more chances you haven’t come across this plugin for sure. 

It is efficient yet easy to configure. With unique features like premium ones, additionally, it is bbPress ready. Everything offered is free of cost; you don’t need to pay any extra shell for its features or to get this plugin.

Features & Benefits:

  • Mobile Caching, 
  • Theme Switching
  • Compression Support
  • Configurable Bypass
  • bbPress Ready
  • Easy installation & configuration


  • No minify options or combine CSS, HTML, or JS files.
  • Write a piece of code manually to enable it.
  • Interface & UI are still outdated.

Why is Hyper Cache the best WordPress Plugin?

It is a powerful plugin that delivers results instantly. It’s a free plugin with some unique features and the presence of mobile options. It is focused more on increasing the site speed. Aside from this, bbPress and compression are notable features.  

Pricing: Free

Link to Buy: Hyper Cache

Lite Speed Cache

Lite Speed Cache is a free and open-source plugin. With advance caching tools and optimization feat is all in-one-bundle that you need for your website. 

It is packed with a cache-management plugin to deliver superior performance to your WordPress sites. With 2+ million active installations, 1500+ 5-star rating makes it one of the popular plugins among all. 

Lite Speed Cache WordPress plugin supports many WordPress plugins like WooCommerce, bbPress, Yoast SEO, etc. 

Features & Benefits:

  • Object Cache, Image Optimization
  • Minify CSS, Javascript, and HTML
  • Combine CSS/JS
  • Lazyload images/iframes
  • Browser cache
  • Smart Pre-load crawler
  • Database cleaner and optimizer
  • Page speed score optimization


  • LiteSpeed cache causes WooCommerce shopping cart update incorrectly.

Why is lite speed cache the best WordPress Plugin?

The Lite Speed Cache plugin directly stores the static copies on LiteSpeed Web Server. There is no need to invoke PHP. Great features and the open-source plugin makes it a great cache plugin.

Pricing: Free

Link to Buy: Lite Speed Cache

Wrapping up…

Now, we have seen the best WordPress caching plugins, let’s take a look at our best 3 cache plugins for WordPress users. We would like to recommend these cache plugins as Top 3 performers.

Best WordPress Cache Plugins

#1 WP Rocket

WP Rocket is a premium caching plugin for WordPress. But, the unique features like page-caching, GZIP compression, e-commerce optimization, excellent compatibility, lazy load, etc., make it stand on our top position. 

The main reason, without any doubt, is the support; the overall experience with WP Rocket is excellent. The premium pricing model gives it the freedom to develop and the fastest available cache plugin available. 

#2 W3 Total Cache 

This free plugin with unique features and one of the popular themes in the WordPress directory library take our second position. With 1+ million active installations and compatibility with various hosting’s make it a perfect cache plugin.

The only lack is the support and extensive documents compared to WP Rocket. 

#3 Nitro Pack

Nitro Pack is a cloud-based performance optimization. With unique features like advance caching mechanism, built-in global CDN, minification of HTML, CSS, & JS. The technical & expert support makes it stand out from other cache plugins. 

 The only factor is the price if you have more than one.

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