WP Super Cache vs Flush Opcache with Varnish (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Flush Opcache with Varnish
10 active installs
Free
Quick Verdict
As of April 2026, WP Super Cache has a higher user rating (4.3/5 from 1,341 reviews) and leads in active installations (1.0M+ vs 10). Both are free WordPress plugins. WP Super Cache has accumulated 62M+ total downloads while Flush Opcache with Varnish has 1.5K+.
Detailed Comparison
| Metric | WP Super Cache | Flush Opcache with Varnish | |
|---|---|---|---|
| Rating | 4.3/5 | ◄ | N/A |
| Total Reviews | 1,341 | ◄ | 0 |
| Active Installs | 1.0M+ | ◄ | 10 |
| Total Downloads | 62M+ | ◄ | 1.5K+ |
| Support Resolution | 67% | N/A | |
| Last Updated | 4 months ago | ◄ | 8 years ago |
| First Released | 2007 | 2017 | |
| Age | 19 years | 9 years | |
| WP Requires | 6.7+ | 3.0.1+ | |
| PHP Requires | 7.2+ | 5.5.0+ | |
| Business Model | Free | Free | |
| Latest Version | 3.0.3 | 1.1.2 |
Rating Breakdown
WP Super Cache
Flush Opcache with Varnish
Download Trends
Recent Reviews
WP Super Cache Reviews
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ok This topic was modified 3 weeks, 4 days ago by Winston. This topic was modified 3 weeks, 4 days ago by Winston.
Nice Speed Boost
Tried this to improve my site speed and it actually helped. Pages load faster now and setup wasn’t too hard. Settings need a bit understanding at first, but once done it works nicely. pretty useful pl
Does not work with Astra Pro’s Color Switcher
Everything seems to work well until I started using Astra Pro’s “Color Switcher” to implement “dark mode.” With “WP Super Cache” activated, my Color Switcher site appears unable to correctly “remember
Flush Opcache with Varnish Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.