Cachebuster

76 Quality Score

Active Installs

14/30

With only 1,000 active installs, Cachebuster sits well below its top alternatives, which range from tens of thousands to a million, reflecting a niche audience rather than mainstream adoption.

Update Freshness

25/25

The plugin was last updated on 2024-10-28, giving it reasonably recent activity, but the maintenance signals beyond the version bump are thin given the small install base.

User Rating

15/15

A perfect 100/100 from 6 ratings is encouraging but the sample is small, so this score carries less statistical weight than it appears.

Support Health

8/15

There are 0 support threads and 0 resolutions, which technically keeps it clean but also means there is no public track record of the author helping users through real issues.

WP Compatibility

15/15

Compatibility tested up to WordPress 6.7.5 with a low requirement of 4.4 and PHP 5.6 is generous, though it is unclear how this single-purpose tool behaves alongside modern full-page caches.

Scores higher than 46% of indexed plugins

About

Stop force refreshing or clearing your browsers cache by preventing caching of stale files.

Active Installs 1k+

Rating ★★★★★ 5/5

Last Updated 2026-08-13 12:49pm GMT

Requires WordPress 4.4+

Tested Up To 7.1

Requires PHP 5.6+

✓ No known vulnerabilities

What It Does

Cachebuster appends file modification timestamps as query strings to your CSS, JS, and other assets, so when you update a file the URL changes and browsers automatically fetch the new version instead of serving a cached stale copy. In practice this means you no longer need to tell clients to hard refresh or clear their own browser caches after a site update. It automates the version-busting step that most caching plugins leave to manual intervention or server-side cache purges.

Who It's For

This plugin is best suited for web developers and agencies managing client sites where non-technical visitors repeatedly see outdated styles or scripts after launches. It also fits small SaaS, e-learning, and marketing sites that deploy frequently and cannot rely on users to clear caches themselves. Sites with low update frequency and standard full-page caching already in place will gain little.

Who Should Skip It

If you already run a full-page caching plugin with built-in cache-busting, asset versioning via a build tool, or a CDN that handles invalidation, this plugin is redundant. Casual bloggers and small business sites that update a few times a year do not need cache-busting at all and can skip it entirely.

The Bottom Line

Cachebuster solves a real, specific annoyance but its 48.23/100 score flags real gaps in popularity, maintenance evidence, and support history. With only 1,000 installs and zero public support threads, you are trusting a relatively obscure tool, so it is best kept to small client-handoff sites where the convenience outweighs the risk. For most WordPress users, a full caching plugin from the alternatives list will already solve this problem and more.

Pick this if your site runs behind Cloudflare and you want server-edge cache purging plus Core Web Vitals optimization, which Cachebuster does not provide.

WP-Optimize – Cache, Compress images, Minify & Clean database 89/100

Choose WP-Optimize when you want caching, image compression, minification, and database cleanup in one suite rather than a single-purpose asset buster.

WP Fastest Cache – WordPress Cache Plugin 89/100

Go with WP Fastest Cache if you want a beginner-friendly full-page cache with built-in minify and asset versioning already configured out of the box.

WP Super Cache 87/100

Pick WP Super Cache for a free, Automattic-maintained full-page cache that handles HTML, CSS, and JS versioning at a much larger scale.

SpeedyCache – Cache, Optimization, Performance 87/100

Choose SpeedyCache when you want a modern, all-in-one performance plugin with module-level control rather than a narrow cache-busting utility.