PHP Compatibility Checker vs CSS & JavaScript Toolbox (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
CSS & JavaScript Toolbox
10K+ active installs
Free
Quick Verdict
As of April 2026, CSS & JavaScript Toolbox has a higher user rating (4.7/5 from 85 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 CSS & JavaScript Toolbox has 536K+.
Detailed Comparison
| Metric | PHP Compatibility Checker | CSS & JavaScript Toolbox | |
|---|---|---|---|
| Rating | 2.7/5 | ► | 4.7/5 |
| Total Reviews | 131 | ◄ | 85 |
| Active Installs | 200K+ | ◄ | 10K+ |
| Total Downloads | 3.0M+ | ◄ | 536K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 2 years ago | ► | 5 months ago |
| First Released | 2016 | 2011 | |
| Age | 10 years | 15 years | |
| WP Requires | 5.6+ | 5.0+ | |
| PHP Requires | 5.6+ | 7.4.0+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.3 | 12.0.6 |
Rating Breakdown
PHP Compatibility Checker
CSS & JavaScript Toolbox
Download Trends
Over the past 30 days, PHP Compatibility Checker averaged approximately 312 daily downloads while CSS & JavaScript Toolbox averaged 45.
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 Yet, WordPress suggest that we install this outdated app that has not been updated for over 2 years.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.
CSS & JavaScript Toolbox Reviews
Great additional components for Elementor
Great plugin! This topic was modified 3 years, 10 months ago by joshuarg007. This topic was modified 3 years, 10 months ago by joshuarg007.
Thank you
Thank you. This topic was modified 4 years, 3 months ago by ads.
Good plugin, it used to be much better before the nerfing, tho
It is a good plugin for your average needs. It used to be much better in the past, but they removed features in the free version that other similar plugins still offer for free.
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Frequently Asked Questions
Is PHP Compatibility Checker or CSS & JavaScript Toolbox more popular?
Which has better ratings — PHP Compatibility Checker or CSS & JavaScript Toolbox?
Are PHP Compatibility Checker and CSS & JavaScript Toolbox free?
Which plugin has better support — PHP Compatibility Checker or CSS & JavaScript Toolbox?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.