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WP Speed of Light, WordPress Speed Optimization Plugin

WP Speed of Light is a powerful WordPress Speed Up plugin accessible to everyone. WP Speed of Light comes with a powerful static cache system, and includes, a resource group and minification tool, a database cleanup system, a .htaccess optimization tool and an automatic cache cleaner. The plugin PRO ADDON goes beyond, where NO other plugins can go: Cache preloading, font optimization, DNS prefetching, database automatic cleanup, to-notch support, image compression and more!


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Plugin priceis $49, all included, unlimited websites


Play smart, optimize all your websites using a global solution

WP Speed of Light is the only WordPress Speed Plugin that offers a global optimization in a single membership: WordPress Optimization, Image Compression, CDN Integration, Speed Testing. Furthermore as our memberships are not limited by domain, you can run the same top notch optimization on all your websites!

Speed optimization with WordPress and browser caching

Speed optimization with WordPress and browser caching

WP Speed of light for WordPress comes with a lot of optimization systems such as cache system: it generates more static content (HTML) therefore reducing the number of database queries required to load the page. Plus, you have the possibility of storing the major part of the heavy page resources (like images) in the browser cache. And you can clean it when you want! Full optimization list:

  • Static file cache system
  • GZIP data compression
  • Browser caching
  • Plugin files group: CSS, JS, Local fonts, Google Fonts
  • Resources minification: HTML, CSS, JS
  • Specific mobile cache per device
  • Remove query string
  • Cache external scripts
  • Option to disable WordPress features like REST API, RSS feeds, Gravatar, Emojis
  • Automatic cache clean: by interval, on save, by user group
WordPress speed optimization testing with Google Speed test

WordPress speed optimization testing with Google Speed test

The optimization of a website is also about testing the performance to determine what elements can be optimized to yield performance. With WP Speed of Light you can run several tests on the same page and open a comparison table. We've made an integration with Google speed test tool (free) to run detailed speed tests on various elements like:

  • First loading time
  • Second loading time
  • First byte time
  • Time to start rendering
  • Element served from cache in %
  • Elements compressed with Gzip in %
  • Percent on compressed images

WordPress database speed test and cleanup

The plugins and theme database queries can represent something important about WordPress' speed. The database speed test may help you to determine problems with a theme or a plugin and fix some major performance issues. The database cleanup can be made automatically at a defined frequency in the PRO ADDON.

Database Speed Test and Cleanup
WordPress CDN Integration

Speed optimization with WordPress CDN Integration

A CDN (Content Delivery Network) integration is available. It is compatible with all the major CDN on the market including Cloudflare, Amazon Cloudfront, MaxCDN, KeyCDN and others. Plus, there's a specific automatic cache cleanup for:

  • Cloudflare CDN
  • MaxCDN
  • KeyCDN
  • Varnish Cache
  • Siteground SuperCacher

WordPress image compression

Images represent an average of 60% of the page weight so it's a high priority in the optimization process. The image compression is the process of applying an invisible image compression and reduce image size by up to 80%. WP Speed of Light includes an image compression quota with the plugin subscription, so you're sure that the image compression works with all other WordPress optimizations!
WordPress Image Compression

lazy loading progressive

Best in class WordPress image progressive lazy loading

The image lazy loading is the concept of displaying only images when it’s visible to a user (on page scroll). WP Speed of Light lazy loading is the most advanced you can find on WordPress with a smart system that generates a small thumb of few Kb (almost nothing) then load it progressively with a nice effect, keeping your customer on your pages. Furthermore, as we preload 2x screen height, fast connection won't even notice it! WP Speed of Light lazy loading main advantages:

  • Super light lazy loading script
  • Progressive image generation and loading effect
  • Works on both scroll direction: up to down / down to up
  • Almost invisible on fast connections
  • Build pages with more content and keep them light!

Cache preloading & DNS prefetching optimizations

The cache preloading is the process of generating a first version of the page cache automatically, so the first user who comes to the page after a cache cleanup won't have to wait for the cache generation! It's included in the plugin PRO ADDON. On the other side the DNS prefetching will preload DNS information of external domain links. For example, if your website is referring frequently to an external domain in hyperlinks, pre-fetching the DNS of this domain will load the page of this domain faster when a user click on it.

Cache Preloading & DNS Prefetching
A Dashboard to Rule All the Performance

A plugin dashboard to check all the WordPress performance

The WordPress speed optimization plugin includes a dashboard that checks all major performance issues you have and fix them in one click, pretty handy to optimize performance in no time.

  • Check for WordPress cache activation and duration
  • Check for WordPress Gzip activation
  • Check for resources group and minification
  • Expire Headers presence and duration
  • Check website loading time (latest test)
  • Auto Clear cache activation
  • Check the number of plugins in use
  • Check for PHP version

Selective cache for mobile devices

WP Speed of Light can handle the cache optimization for mobile automatically, and you can generate a dedicated cache version per device or even disable it. The plugin also works automatically with mobile plugins like WPtouch. Mobile cache features:

  • Automatically serve cache for all devices (desktop, tablet, mobile)
  • Dedicated cache for mobile
  • Dedicated cache for tablet
  • Option to disable cache for a specified device
Selective Cache for Mobile Devices
WooCommerce Speed optimization plugin

WooCommerce Speed optimization plugin

WP Speed of Light plugin has a dedicated optimization module for WooCommerce websites. They are several scripts and styles that are loaded on all WooCommerce pages that are not always required and that you exclude. Furthermore, the plugin is disabling automatically some extreme optimization for the WooCommerce features to always work, like AJAX cart refresh.

The WordPress Speed of Light in Video

WordPress speed optimization plugin in video

Features in WP Speed of Light Free version

- Features included in the FREE plugin version -

Add a page cache system to WordPress website: Minimise the requests and serve an ultralight HTML file

Minification refers to the process of removing unnecessary or redundant data to serve smaller files, smaller is faster!

Test your WordPress speed using, store and compare your speed test results

Send compressed (Gzipped) data to users. The smart compression uses the server module in priority then the htaccess if not possible.

With browser caching, static contents (JS, CSS, images) are stored in the browser therefore served quickly from the user hard drive when brownsing another page.

Clean the cache automatically when a page, post or any content is saved or modified. It works with Gutenberg AJAX saving too

Grouping several CSS and JS files into a single file will minimize the HTTP requests number

Cache device detection: Depending of your theme, cache may require to be served by device type (desktop, tablet, mobile)

The plugin can give instructions to clear the browser cache that stores CSS, JS and images

Features in WP Speed of Light Pro Addon

Features included only in the WP Speed of Light Pro Addon version

Compress your images by up to 80% without any visual loss of quality. Get 1GB or 3GB of image compression included
Group all the local fonts and the Google fonts in a single file. One single file is loaded faster!
The DNS prefetching will pre-load DNS information on external domain links. Useful when when you use frenquently the same domains in external links

Disable styles and scripts for non WooCommerce pages. Disable cart fragments and save a lot of useless resources to be loaded

Load only images when it’s visible in the by user (on scroll), remove up to 60% of your page weight with a single setting!
Scan your website, exclude one or several files from the resources group and minify in a click
The database cleanup from post revisions, trash, spam... can be made automatically at a defined frequency

Clear customers cart and sessions automatically, after a certain delay. Save database space and Woocommerce queries speed

User that comes after a page cache cleanup won't have to wait for the cache generation, it's automatically regenerated!
Exclude a set of URL from cache using roles or a set of users using WordPress User Roles
Possibility to defer script loading in page footer, remove the render blocking heavy resources to be loaded in your page header

Control the WordPress Heartbeat API, used to perform automatic actions by defining the execution frequency


Compatibility and 3rd party integration's with the plugin

WP Speed of Light for woocomerce

WooCommerce has a dedicated integration with the plugin. Display your product faster, AJAX cart handled. Keep consumers on your eshop.

WP Speed of Light for Divi

Elementor page builder is fully tested with all plugin version and you can speed up Elementor content and cleanup cache automatically after editing

WP Speed of Light for Divi

DIVI builder from Elegant themes page speed up. WP Speed of Light is fully compatible with the frontend and admin edition. Cache can be automatically cleanup on save

WP speed of light for Beaver Builder

Speed Up Beaver Builder pages ! WP Speed of Light is fully compatible with Beaver Builder frontend content edition

WP Speed of Light for gutenberg

WP Speed of Light is integrated with WordPress Gutenberg editor. SpeedUp and clean cache of Gutenberg based websites

WP Speed of Light for visual composer

WP Speed of Light is fully compatible with WP Bakery (formerly Visual Composer) admin and frontend content edition

WP Speed of Light other page builders

Others Page Builders

WP Speed of Light works with all other major content builders: ACF, Site Origine, Themify builder, Elementor and Live Composer page builders...

15000+ active users can't be wrong. The plugin has been tested on tons of themes, their page builders... We've even included some options to handle specific content creation frameworks

Plugin language translations

Community translations included, create your own in few clicks! More information >>

Get more information about WP Speed of Light

WP Speed of Light Prices

Join our 70,000+ members & get support and plugin version updates
Instead of 373$

The Bundle gives access to ALL WordPress plugins and can be used on unlimited websites. In addition, you will have full access to technical support and update on each plugin for all year. 
The time is now!  Boost your efficiency and gain that competitive edge.  Give The Bundle a try.

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Recent testimonials & ratings

WP Speed of Light WP Speed of Light - WordPress Speedup plugin
98 out of 100 based on 57 user ratings

Rating source: 57 user-submitted reviews at: