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Super Light Cache Buster
Stop page & browser caching with random version numbers and Cache-Control directives.
The facts
- Rating
- 5★ from 9
- Active installs
- 1k+
- Price
- Free
- Last updated
- 19 Oct 2025
- Added
- Jun 2020
- Requires WP
- 5.0
- Tested up to
- WP 6.8.8
- Requires PHP
- 5.3
- Downloads
- 13,709
Our analysis
AI-assistedSuper Light Cache Buster is a WordPress plugin designed to help you manage browser caching issues by adding random version numbers to CSS and JavaScript assets. This prevents browsers from serving outdated files, ensuring that changes made to your site are visible immediately. The plugin is lightweight, with a size of under 30KB, and can also prevent page caching through Cache-Control directives.
You can disable the plugin from the settings page when not in use, making it suitable for development environments. It includes hooks for developers to customize its functionality, although it has not been tested on Multisite networks.
Best for: This plugin is suitable for developers or site owners who frequently update their site's assets and need to ensure changes are reflected immediately.
What it does well
- ✓Free to use from the WordPress.org directory
- ✓Lightweight with a size under 30KB
- ✓Prevents browser caching of CSS and JS assets
- ✓Includes developer-friendly hooks for customisation
- ✓Can be disabled easily from the settings page
Where it falls short
- •Does not clear existing cached pages automatically
- •Not tested on Multisite networks
Verdict
Super Light Cache Buster offers a straightforward solution for managing caching issues, particularly useful during site development. Its lightweight nature and customisation options make it a practical choice for those needing to control asset versions.
From the developer
Mwale Kalenga's own description of Super Light Cache Buster, lightly tidied.
Can’t see the changes supposedly made by your developer? Or maybe you’re just tired of your site’s annoying cache? Use this plugin to cache a break!
With a compressed size of under 30KB, this simple plugin adds random version numbers to CSS & JS assets to prevent browser caching getting in the way of your happiness.
Super Light Cache Buster also prevents page caching by using Cache-Control directives.
You can completely disable the plugin from the settings page when you are not using it or keep it enabled if the site is under development. 😀
Available Hooks
Cache Buster is becoming more developer friendly. Below you can find the plugin’s first hooks and details about them.
slcb_allow_in_backend
- Filters whether Cache Buster should run (randomize asset version numbers) in the back end.
-
Return
trueto enable Cache Buster.falseis the default.slcb_version_name
-
Filters the version name for assets to allow using a custom version name (or number).
- Return the version name e.g. you can use the value
2.0.1. - When this filter is in use, version numbers will not be randomized. Instead, you will have to change the version name manually to rename assets.
- This filter overrides the “Version Name” setting in the dashboard.
- The provided version name must be a valid query parameter. As a safety, if the provided string breaks any URLs, it will not be used.
Feedback
- I am open for your suggestions and feedback – Thank you for using or trying out one of my plugins!
- Drop me a line @mwale_and_sons on Twitter
- Follow me on my LinkedIn page
- Or visit me at my website.
Do I have to clear my cache for the plugin to work?
Yes, you should clear your cache(s)! This plugin doesn’t clear pages that have already been cached (coming soon, shhh).
If you are still being served cached pages after activating the plugin, clear the cache at least once.
This will delete all pages/posts from the cache, and Cache Buster will prevent them from being cached again while the plugin is enabled :-).
Does this plugin work on Multisite?
No, Cache Buster hasn’t been tested on Multisite Networks.
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