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WP Speed Of Light Addon Changelog

Last update : 29 Jul 2025
Compatible with the latest Wordpress version and Stable release: 6.8

Version 3.3.5

  • Add Merged the free versions of WP Speed of Light into the WP Speed of Light Pro
  • Add Redesigned the plugin settings interface
  • Add Enhanced database cleanup with new options to remove orphaned data

Version 3.3.4

  • Fix Lazy loading conflicts with the 'Hide My WP' plugin

Version 3.3.3

  • Fix Reduce CPU usage when running preload page cache
  • Fix Some PHP warnings

Version 3.3.2

  • Fix Speed optimization page can't access because conflict with Elementor

Version 3.3.1

  • Fix Some warnings when using image dimension option

Version 3.3.0

  • Add Image dimensions
  • Fix Error when clear WooCommerce transients

Version 3.2.0

  • Add Cleanup only specific URL(s) from Cloudflare cache
  • Add Iframe & HTML v5 video lazy loading
  • Add Page exclusion from file group and minify optimizations
  • Add Exclude inline style

Version 3.1.1

  • Add Cache preload using multiple XML sitemap URL(s)

Version 3.1.0

  • Add Cache preload using XML sitemap URL
  • Add Defer inline script

Version 3.0.0

  • Add [breaking changes] Rewriting code base to follow PSR4

Version 2.6.7

  • Fix Lazy loading: resize loaded image

Version 2.6.6

  • Add Defer option into file grouping and file minification

Version 2.6.5

  • Fix Remove webpagetest api key
  • Fix Save post error when using lazy loading

Version 2.6.4

  • Fix JoomUnited Updater compatible with WordPress 5.5

Version 2.6.3

  • Fix Clearing Cloudflare cache does not work correctly on API

Version 2.6.2

  • Fix Add notify by email script

Version 2.6.1

  • Fix Fix lazyloading errors after completing ajax

Version 2.6.0

  • Add WooCommerce Speedup: Disable Cart Fragments
  • Add WooCommerce Speedup: disable styles for non WooCommerce pages
  • Add WooCommerce Speedup: disable JS scripts for non WooCommerce pages
  • Add WooCommerce Speedup: clear customer cart and sessions
  • Add Automatic customer cart and sessions cleanup after a delay
  • Add Control the Heartbeat API by defining the execution frequency
  • Fix Lazy load not working correctly in safari & opera browser
  • Fix Conflict with DIVI theme builder

Version 2.5.3

  • Fix Purge the varnish cache not working with multi object

Version 2.5.2

  • Add Possibility to exclude image width & height from lazy loading
  • Add Possibility to exclude one screen height from lazy loading
  • Fix Lazy loading compatible with IE11

Version 2.5.1

  • Fix Solve memory leaks on image lazy loading

Version 2.5.0

  • Add Implement new lazy loading feature
  • Fix Check version requirements

Version 2.4.2

  • Add Implement lazyloading exclusion by id or class selector
  • Fix Incorrect Plugin URI

Version 2.4.1

  • Fix Fix conflict lazyloading with gutenberg

Version 2.4.0

  • Add Rewrite code from “Simple Cache” and “Autoptimize”
  • Add  After a cache cleanup, auto-reload the page
  • Add Cleanup cache on Gutenberg save content
  • Fix Remove direct CURL calls (security fix)
  • Fix Admin responsive configuration & Speed optimization

Version 2.3.0

  • Add New UX for Speed Otimization and Speed Testing
  • Add Possibility to search in plugin menus and settings
  • Add New plugin installer with quick configuration
  • Add Environment checker on install (PHP Version, PHP Extensions, Apache Modules)
  • Add System Check menu to notify of server configuration problems after install
  • Add Server testing before plugin activation to avoid all fatal errors

Version 2.2.0

  • Add Import/Export plugin configuration
  • Add Exclude URLs from the lazy loading

Version 2.1.1

  • Add Enhance code readability and performance with phpcs

Version 2.1.0

  • Add Implement image Lazy Loading
  • Add Implement option to disable WordPress Emoji
  • Add Implement option to disable WordPress Gravatar
  • Add Exclude inline JS scripts from minification
  • Add Possibility to defer script loading in page footer

Version 2.0.2

  • Fix Check addon to exclude file from minification

Version 2.0.1

  • Fix Using PHPCS to make standard definitions
  • Fix Change preloading activation method

Version 2.0.0

  • Add Database automatic optimization: duplicate post, comment, user, term meta
  • Add Database automatic optimization: run database tables optimization
  • Add Flush CDN cache from MaxCDN, KeyCDN and CloudFlare, automatic or manual method
  • Add Flush cache from Siteground plugin and Varnish, automatic or manual method
  • Add Change install message to a WP option, and display only once

Version 1.0.0

  • Add Disable cache per user role
  • Add Disable cache per URL using rules like www.domain.com/blog*
  • Add Automatic database cleanup by interval
  • Add Preload the cache per URL
  • Add DNS Prefetching (define custom domains)
  • Add Option to exclude custom JS/CSS/FONT files from group
  • Add Add the option to group fonts and Google fonts in optimization
  • Add Initial release of WP Speed of Light Pro

Version 3.3.6 (Free plugin)

  • Add Admin notice about merging the free version of WP Speed of Light into the Pro version

Version 3.3.5 (Free plugin)

  • Fix Update the message of the PHP version check tool

Version 3.3.4 (Free plugin)

  • Fix Error in the plugin feedback

Version 3.3.3 (Free plugin)

  • Fix Minor HTML attribute error

Version 3.3.2 (Free plugin)

  • Fix Some PHP warnings

Version 3.3.1 (Free plugin)

  • Add Update JU translation tool with autosaving
  • Add Instant installation of translation and help texts
  • Fix Missing user roles in disable optimization for
  • Fix Automatically preload cache from home page

Version 3.3.0 (Free plugin)

  • Add Addon feature: Image dimensions
  • Fix Exclude some WooCommerce pages (cart, my account, checkout) not working

Version 3.2.2 (Free plugin)

  • Fix Error when clearing cache in some cases

Version 3.2.1 (Free plugin)

  • Fix Error when enable minify css in some cases
  • Fix PHP warning when clean cache

Version 3.2.0 (Free plugin)

  • Add Compatiable with WP Speed of Light Addon 3.2 features

Version 3.1.1 (Free plugin)

  • Fix Missing Apache modules warnings in NginX server
  • Fix Remove empty space in settings

Version 3.1.0 (Free plugin)

  • Add Automatically preload cache from the home page
  • Fix Group & Minify features don't work independently

Version 3.0.0 (Free plugin)

  • Add [breaking changes] Rewriting grouping js to avoid conflicts between js files as much as possible
  • Add [breaking changes] Rewriting code base to follow PSR4
  • Add Compatibility with Simple Custom CSS plugin
  • Add Cache exclusion works with wildcard
  • Add Allowing to group and or minify javascript independently
  • Fix Minification of calc function removing required spaces

Version 2.6.11 (Free plugin)

  • Fix Install formal language in the plugin translation tool

Version 2.6.10 (Free plugin)

  • Fix Update document link

Version 2.6.9 (Free plugin)

  • Fix Conflict with DIVI page builder
  • Fix Change text for tooltip on plugin dashboard

Version 2.6.8 (Free plugin)

  • Fix Tooltip cannot be displayed in admin panel
  • Fix Total blocking time issues with defer

Version 2.6.7 (Free plugin)

  • Fix Remove the blank characters in javascript minified

Version 2.6.6 (Free plugin)

  • Add Google PageSpeed Insights integration and remove WebPageTest api from speed analysis

Version 2.6.5 (Free plugin)

  • Fix Grouping js conflict with select2 modules
  • Fix Settings cannot be saved when using another translation plugin

Version 2.6.4 (Free plugin)

  • Fix Change data statistics method to increase performance in admin panel
  • Fix CSS @import rule doesn't work when group all CSS files

Version 2.6.3 (Free plugin)

  • Fix Remove strict mode in js file when grouping
  • Fix Grouping js conflict with Braintree For WooCommerce

Version 2.6.2 (Free plugin)

  • Fix Translation sharing issue in some browsers

Version 2.6.1 (Free plugin)

  • Fix Group feature break style

Version 2.6.0 (Free plugin)

  • Add Compatibility Addon feature: WooCommerce speedup module
  • Fix Fix responsive for the setting page

Version 2.5.7 (Free plugin)

  • Fix Change the way of getting technical data in feedback
  • Fix Error when retrieving ghostscript information

Version 2.5.6 (Free plugin)

  • Fix Material fonts missing

Version 2.5.5 (Free plugin)

  • Fix Improve Apache module activation
  • Fix Blog URL is not correct when using CDN rewrite
  • Fix Rewrite Ju-feedback & Ju-rewrite

Version 2.5.4 (Free plugin)

  • Add Possibility to check wp-config.php file when active cache system
  • Fix Change the interface of Varnish cache

Version 2.5.3 (Free plugin)

  • Fix Change the interface of feedback opt-in

Version 2.5.2 (Free plugin)

  • Add Opt In feedback
  • Add Possibility to check if wp-config.php file is not writable
  • Fix Change dashboard style & elements sizes

Version 2.5.1 (Free plugin)

  • Fix Potential RCE vulnerability

Version 2.5.0 (Free plugin)

  • Fix Change dashboard style & elements sizes
  • Fix Fix Jutranslation url
  • Fix Check version requirements

Version 2.4.6 (Free plugin)

  • Fix Exclude URL from the image lazy loading
  • Fix Error on installer wizard (with Gutenberg plugin)
  • Fix Change dashboard font & elements sizes

Version 2.4.5 (Free plugin)

  • Add Implement lazyloading exclusion by id or class selector
  • Fix Restore comments with inline scripts in minify script
  • Fix Blank screen when grouping css

Version 2.4.4 (Free plugin)

  • Fix Fix check module in system check

Version 2.4.3 (Free plugin)

  • Fix Admin page loading time improved

Version 2.4.2 (Free plugin)

  • Fix Multisite admin toolbar disappear

Version 2.4.1 (Free plugin)

  • Fix Font url to avoid breaking URLs

Version 2.4.0 (Free plugin)

  • Add Rewrite code from “Simple Cache” and “Autoptimize”
  • Add  After a cache cleanup, auto-reload the page
  • Add Cleanup cache on Gutenberg save content
  • Fix Remove direct CURL calls (security fix)
  • Fix Admin responsive configuration & Speed optimization

Version 2.3.3 (Free plugin)

  • Fix Warning PHP in front end when using exclude
  • Fix Fix style for safari browser
  • Add WordPress 5.0 compatibility

Version 2.3.2 (Free plugin)

  • Fix Setting dropdown menu in Firefox
  • Fix Speed Analysis with invalid API Key now return a proper error message

Version 2.3.1 (Free plugin)

  • Fix Installer error

Version 2.3.0 (Free plugin)

  • Add New UX for Speed Otimization and Speed Testing
  • Add Possibility to search in plugin menus and settings
  • Add New plugin installer with quick configuration
  • Add Environment checker on install (PHP Version, PHP Extensions, Apache Modules)
  • Add System Check menu to notify of server configuration problems after install
  • Add Server testing before plugin activation to avoid all fatal errors

Version 2.2.2 (Free plugin)

  • Add Add actions and filters for developers

Version 2.2.1 (Free plugin)

  • Fix Sharing translations

Version 2.2.0 (Free plugin)

  • Add Import/Export plugin configuration
  • Add Exclude URLs from the lazy loading

Version 2.1.3 (Free plugin)

  • Add Enhance code readability and performance with phpcs

Version 2.1.2 (Free plugin)

  • Fix Fix active cache system and expire headers option

Version 2.1.1 (Free plugin)

  • Add Integrate UX with WP Speed of Light Addon 2.1 features

Version 2.1.0 (Free plugin)

  • Add Option to disable the WordPress REST API
  • Add Option to disable the WordPress RSS feeds
  • Add Cache external resources such as scripts served from Google (served locally)

Version 2.0.5 (Free plugin)

  • Fix Files starting by // opened locally
  • Fix Lower class name stdClass

Version 2.0.4 (Free plugin)

  • Fix Remove query string issue
  • Fix Php warning when translation was modified

Version 2.0.3 (Free plugin)

  • Fix Using PHPCS to make standard definitions
  • Fix Change preload cache activation method

Version 2.0.2 (Free plugin)

  • Add Change install message to a WP option, and display only once
  • Add Compatiable with the PRO ADDON CDN cache cleanup

Version 2.0.1 (Free plugin)

  • Add Add a warning lightbox when the user activate the minification
  • Add Add a left menu “More SpeedUp

Version 2.0.0 (Free plugin)

  • Add CDN integration: define CND URL and content
  • Add CDN integration: define CND content exclusion
  • Add CDN integration: force CDN relative or absolute path
  • Fix Generate a different cache for http and https (if no redirect is made)

Version 1.5.1 (Free plugin)

  • Add Compatiable with the PRO ADDON plugin
  • Add Move some configuration options to the speed optimization tab
  • Add Allow exclusion with rules like www.domain.com/blog*
  • Add Add time parameter for clean each
  • Fix Fix a non well formed numeric value encountered with php 7.1

Version 1.5.0 (Free plugin)

  • Add Remove the Gzip feature by default and check server GZip activation
  • Add GZip check on the dashboard and display a specific message when it's not detected
  • Add File grouping and file minification can now be activate separately

Version 1.4.1 (Free plugin)

  • Fix Vulnerability in placeholders
  • Fix PHP error when htaccess is not writable
  • Fix Remove query strings on WooCommerce

Version 1.4.0 (Free plugin)

  • Add Option remove Query Strings from static resources

Version 1.3.3 (Free plugin)

  • Fix Fix error cache when plugin directory changed
  • Fix Fix show install message after reloading page

Version 1.3.2 (Free plugin)

  • Fix Store default settings on plugin activation
  • Fix PHP error when minify HTML checked

Version 1.3.1 (Free plugin)

  • Fix Conflict with other plugins that used mobile detect script
  • Fix Warning PHP when installed plugin on Addendio

Version 1.3.0 (Free plugin)

  • Add Dashboard: Add the PHP version check and File Group activation
  • Add Option to serve cache for desktop, tablet and mobile: Global, Specific or No cache
  • Add Detect mobile plugin theme provider and disable cache automatically (WPtouch...)

Version 1.2.0 (Free plugin)

  • Add Page builders compatibility : ACF, DIVI Builder, Beaver Builder, Site Origine, Themify builder, Live Composer, Elementor page builder
  • Add Update the settings with On/Off button instead of checkbox
  • Add Activate by default the clean cache button in the toolbar
  • Add Change presentation text for ImageRecycle integration

Version 1.1.7 (Free plugin)

  • Fix Enhance PHP 5.2 plugin deactivation

Version 1.1.6 (Free plugin)

  • Add Add builtin translation tool

Version 1.1.5 (Free plugin)

  • Fix Support for russian language in URL exclusion tool
  • Fix Check Gzip request

Version 1.1.4 (Free plugin)

  • Fix Read data from another server
  • Fix Disable cache for admin user
  • Add Replace Curl by wp_remote_get to get data

Version 1.1.3 (Free plugin)

  • Fix Add multisite compatibility: minify JS and CSS on multisite

Version 1.1.2 (Free plugin)

  • Fix Remove header expiration code in .htaccess when plugin is disabled

Version 1.1.1 (Free plugin)

  • Add Option to group js and css (after minification)

Version 1.1.0 (Free plugin)

  • Add WooCommerce dedicated integration
  • Add Image compression ImageRecycle integration
  • Add Clean cache on plugin settings save
  • Fix Security, use wp_nonce in admin forms

Version 1.0.3 (Free plugin)

  • Fix PHP7 warning Missing argument
  • Fix Add blank line to wp-config.php when activate and deactivate plugin
  • Fix Remove everything from wp-config.php on uninstall
  • Fix Cache activation message on first activation only
  • Fix Gzip cache not activated on some servers

Version 1.0.2 (Free plugin)

  • Add Display clean cache button in frontend toolbar
  • Fix Cache and purge cache on comments
  • Fix Analysis cache size

Version 1.0.1 (Free plugin)

  • Fix White screen in first install

Version 1.0.0 (Free plugin)

  • Add Initial release