PHP Compatibility Checker vs WP OPcache (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
PHP Compatibility Checker
200K+ active installs
Free
Quick Verdict
As of April 2026, WP OPcache has a higher user rating (4.8/5 from 20 reviews) while PHP Compatibility Checker leads in active installations (200K+ vs 10K+). Both are free WordPress plugins. PHP Compatibility Checker has accumulated 3.0M+ total downloads while WP OPcache has 222K+. WP OPcache has a higher support resolution rate (0% vs 0%).
Detailed Comparison
| Metric | PHP Compatibility Checker | WP OPcache | |
|---|---|---|---|
| Rating | 2.7/5 | ► | 4.8/5 |
| Total Reviews | 131 | ◄ | 20 |
| Active Installs | 200K+ | ◄ | 10K+ |
| Total Downloads | 3.0M+ | ◄ | 222K+ |
| Support Resolution | 0% | 0% | |
| Last Updated | 2 years ago | ► | 1 year ago |
| First Released | 2016 | 2017 | |
| Age | 10 years | 9 years | |
| WP Requires | 5.6+ | 6.0+ | |
| PHP Requires | 5.6+ | 8.1+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.3 | 4.2.3 |
Rating Breakdown
PHP Compatibility Checker
WP OPcache
Download Trends
Over the past 30 days, PHP Compatibility Checker averaged approximately 312 daily downloads while WP OPcache averaged 56.
Recent Reviews
PHP Compatibility Checker Reviews
Con WP5.1 y PHP7.4, falla
Ell plugin no muestra versiones ni escanea
Why is this recommended by WordPress?
Over the years, I have tried to be careful to not install programs that are not kept up to date. Yet, WordPress suggest that we install this outdated app that has not been updated for over 2 years. Ma
Ironically not compatible with the latest PHP
Either update the plugin or take it down.
WP OPcache Reviews
WORKS 100% BUT NEED UPDATE
First, thank you! Second, please update it!!!
Bast OPCache Manager for WordPress
Thanks and keep going please! 🙂
Provides useful insights
Good way to find out how well your opcache setup works
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Frequently Asked Questions
Is PHP Compatibility Checker or WP OPcache more popular?
Which has better ratings — PHP Compatibility Checker or WP OPcache?
Are PHP Compatibility Checker and WP OPcache free?
Which plugin has better support — PHP Compatibility Checker or WP OPcache?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.