Description
Turn on site’s high speed to be attractive for people and search engines.
Speed up a WordPress site on mobile and desktop!
The speed optimization of your site will be valued by people and search engines.
You can use the below as a license key:
C6D0D7F8DB6898D6ACA49DC6C9F4B996
Seraphinite Accelerator
- Last Updated: Jul 8, 2025
- Created: Jun 23, 2025
- Access: Premium
Plan Prices
Version History
Apr 22, 2026
Version 2.29.8
- Processing queue: Dont restarting item while self-learning.
Fixes
- Multisite: queue processing priority is always by timesmamp.
Apr 10, 2026
Version 2.29.6
Normalize cookies.
Preventing random content to avoid cache growing: PixelYourSite.
Responsive of Elementor.
Apr 9, 2026
Version 2.29.5
Improvements
Preventing random content to avoid cache growing: Jeg Kit for Elementor.
Fixes
Infinite lock at 'at' file.
Apr 7, 2026
Version 2.29.3
Improvements
Cache clearing of Pressable.
Operating with CloudFlare cache without installing separate plugin.
Slick Slider generic.
Fixes
Server/cloud cache is not cleared after particular update.
Apr 3, 2026
Version 2.29.2
Improvements
Catch scripts errors to avoid execution breaking.
Swiper Slider generic.
Fixes
Failed status 'writeLrnDone' if self-learning is not enabled.
HTML: Incorrect parsing of 'a' tags with 'href' containing '<', '>'.
Apr 3, 2026
Version 2.29.1
- Asynchronous tasks: duration of task manager thread.
- Asynchronous tasks: protect singleton task from launching twice if execution is too long.
Mar 31, 2026
Version 2.28.29
Improvements
- Cache clearing of Kinsta.
- Car Field Gallery of Vehica theme.
- HTML replacement: escaping placeholders.
Fixes
- PHP error: Call to undefined function 'class_exist'.
- Wrong order of output buffering flushing while warming up the cache.
Mar 25, 2026
Version 2.28.18
Improvements
- Defining scope in HTML replacement.
- Fast optimization: styles processing.
- Restarting failed queue items.
- Support of subdomains of TranslatePress.
Fixes
- Simple thread of optimization doesnt work with custom 'index.php'.
Mar 21, 2026
Version 2.28.17
Improvements
Defining scope in HTML replacement.
Disabled getting external critical images while fast optimization.
FOX - Currency Switcher.
Fixes
Base version cant be activated.
PHP error on some sites: Call to undefined function getrusage().
Simple thread of optimization doesnt work with custom 'index.php'.
Mar 20, 2026
Version 2.28.16
Defining scope in HTML replacement.
Restarting failed queue items.
Self-learning: Ultra-fast processing.
Storing the same bodies in single file in external object cache.
Fixes
If self-learning is canceled processing of item continue only after 1 minute.
Regenerating compressed images of unchanged images in cache directory.
Simple thread of optimization doesnt work with custom 'index.php'.
YouTube video preview images are not loaded for playlist URLs.
Mar 2, 2026
Version 2.28.15
- API functions 'LogClear' and 'GetData' can be called by users dont have 'manage_options' privilegy.
Feb 13, 2026
Version 2.28.13
- Optimized styles after fast optimization are deleted too early if server/cloud cache is stuck.
Feb 3, 2026
Version 2.28.11
Fast content optimization in temporary cache.
Jan 16, 2026
Version 2.28.7
Improvements
- Support for multi view loading from Divi.
Jan 13, 2026
Version 2.28.6
Improvements
- Catch scripts errors to avoid execution breaking.
- Support for 'WP Hide & Security Enhancer' plugin.
Jan 6, 2026
Version 2.28.3
- CSS parsing: relative colors using 'from'.
Dec 16, 2025
Version 2.28.1
Improvements
- Adjusting 'nonce' period for Wp Forms tokens.
Fixes
- Adjusting 'nonce' period skipped if user caching is enabled.
- Lazy scripts loading: document's 'write' is not synchronous.
- Processing 'source' tags of 'picture' are not checked by exclusions of lazy load.
Dec 9, 2025
Version 2.28
- Initiator's call stack in logging of post changing.
- Language choosing in cache updating.
- Preventing double initialization of excluded scripts.
Fixes
- Early redirections sometimes are not hooked.
- Wrong counting of requests in statistics.
Nov 24, 2025
Version 2.27.48
- Posting ‘undefined’ in request when operate on all pages.
- When ‘Auto-revalidate cache if time to live is expired’ is disabled then temporary cache is not created while forced cache revalidation.
Nov 10, 2025
Version 2.27.47
- Exclusions for lazy HTML.
- Preventing random content to avoid cache growing: Anti-Spam by CleanTalk.
- Restoring original user agent for 404 pages.
- Warming up cache including alternative site's roots defined by 'SERAPH_ACCEL_ALT_ROOTS'.
Oct 27, 2025
Version 2.27.46
Improvements :
- Support delay loading of IFRAME with ‘onload’ attribute.
Fixes :
- HTML replace works if content optimization is disabled in groups.
- Setting can be saved incorrectly in ‘wp-config.php’ under BatCache based hostings.
- Styles conflict in HTML tag in PeakTwo theme ‘libraries.js’.
Oct 14, 2025
Version 2.27.45
Improvements:
- Player from Presto.
- Product gallery images thumbnails of WooCommerce from Carafity theme.
- Support for Simple Menu of Essential Addons.
Fixes:
- Delayed click doesn’t work on shadow root element.
- Deprecation warning in ‘TokensList_GetVal’ of ‘cbItem’ parameter.
- User cache doesn’t work if simple thread of optimization enabled.
Oct 1, 2025
Version 2.27.44
Improvements
- Optional arguments of ‘termsOfClass’ expression.
Fixes
- Asynchronous tasks execution: timestamp is wrong on some servers.
Sep 19, 2025
Version 2.27.43
Improvements
- Counter Widget of Elementor.
- Funfact Counter Widget of Mascot Core Plugin for Elementor.
- Preventing license checking from wrong site ID.
Fixes
- Always correcting 'advanced-cache.php' file while being profiled under Code Profiler.
Sep 12, 2025
Version 2.27.42
Support for 'WP Hide & Security Enhancer' plugin.
Aug 24, 2025
Version 2.27.41
Improvements:
- Updating all cache after global changes (e.g. menus, Elementor template etc.).
Fixes:
- Deinlining fonts in external CSS produces wrong URL.
- Infinite operation progress in base version.
- Styles parser: URLs in ‘background-image’ in functions are not processed.
Aug 5, 2025
Version 2.27.39
Improvements
Product gallery images of WooCommerce.
Fixes
PHP warnings to access to non-existed cache files.
Wrong parsing sizes like 1.2345e10px.
Jul 22, 2025
Version 2.27.37
Improvements
Trying to always keep a content of 'advanced-cache.php' file in a right state.
Warning about broken class auto-loading.
Fixes
Wrong parsing sizes like 1.2345e10px.
Jul 18, 2025
Version 2.27.36
July 10, 2025
Fixes
- In ‘Simple thread of optimization’ is enabled optimization process can return ‘noHdrOrBody’ on URLS with no ending slash.
_nf version by NoOoB
Jul 8, 2025
Version 2.27.35
N/A
Jun 24, 2025
Version 2.27.33
June 23, 2025
Improvements
- Animation of TRX Addons for Elementor.
- Simple thread of optimization.
- Support for animations of Elementor.
- Swiper Slider from XStore theme.
Jun 23, 2025
Version 2.27.32
N/A
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