PluginSift

WP-Optimize – Cache, Compress images… vs Flush Opcache with Varnish (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WP-Optimize – Cache, Compress images…

WP-Optimize – Cache, Compress images…

4.8(2,567)

1.0M+ active installs

Free

Updated 1 week ago
View WP-Optimize – Cache, Compress images…
VS
Flush Opcache with Varnish

Flush Opcache with Varnish

0(0)

10 active installs

Free

Updated 8 years ago
View Flush Opcache with Varnish

Quick Verdict

As of April 2026, WP-Optimize – Cache, Compress images… has a higher user rating (4.8/5 from 2,567 reviews) and leads in active installations (1.0M+ vs 10). Both are free WordPress plugins. WP-Optimize – Cache, Compress images… has accumulated 55M+ total downloads while Flush Opcache with Varnish has 1.5K+.

Detailed Comparison

Rating
4.8/5WP-Optimize – Cache, Compress images…
◄
Flush Opcache with VarnishN/A
Total Reviews
2,567WP-Optimize – Cache, Compress images…
◄
Flush Opcache with Varnish0
Active Installs
1.0M+WP-Optimize – Cache, Compress images…
◄
Flush Opcache with Varnish10
Total Downloads
55M+WP-Optimize – Cache, Compress images…
◄
Flush Opcache with Varnish1.5K+
Support Resolution
62%WP-Optimize – Cache, Compress images…
Flush Opcache with VarnishN/A
Last Updated
1 week agoWP-Optimize – Cache, Compress images…
◄
Flush Opcache with Varnish8 years ago
First Released
2009WP-Optimize – Cache, Compress images…
Flush Opcache with Varnish2017
Age
17 yearsWP-Optimize – Cache, Compress images…
Flush Opcache with Varnish9 years
WP Requires
4.9+WP-Optimize – Cache, Compress images…
Flush Opcache with Varnish3.0.1+
PHP Requires
7.2+WP-Optimize – Cache, Compress images…
Flush Opcache with Varnish5.5.0+
Business Model
FreeWP-Optimize – Cache, Compress images…
Flush Opcache with VarnishFree
Latest Version
4.5.1WP-Optimize – Cache, Compress images…
Flush Opcache with Varnish1.1.2

Rating Breakdown

WP-Optimize – Cache, Compress images…

4.8/5(2,567 reviews)
5
92%
4
3%
3
1%
2
1%
1
3%

Flush Opcache with Varnish

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WP-Optimize – Cache, Compress images… Reviews

by poiuy09876

Рахмет.

Жақсы плагин. Әзірлеушілерге рахмет.

by edmella

Excelente

Muito bom

by and4zej

Trash it, before it kills your conversions.

WP-Optimize fails to fully de-register its components even when caching is toggled off in the UI. Its hooks and filters remain active on every page load, specifically interfering with the WooCommerce

Flush Opcache with Varnish Reviews

No reviews yet

Frequently Asked Questions

Is WP-Optimize – Cache, Compress images… or Flush Opcache with Varnish more popular?
WP-Optimize – Cache, Compress images… has 1.0M+ active installations while Flush Opcache with Varnish has 10. WP-Optimize – Cache, Compress images… is the more widely-used plugin as of April 2026.
Which has better ratings — WP-Optimize – Cache, Compress images… or Flush Opcache with Varnish?
WP-Optimize – Cache, Compress images… has a 4.8/5 rating from 2,567 reviews, while Flush Opcache with Varnish has a 0/5 rating from 0 reviews.
Are WP-Optimize – Cache, Compress images… and Flush Opcache with Varnish free?
WP-Optimize – Cache, Compress images… is free and Flush Opcache with Varnish is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP-Optimize – Cache, Compress images… or Flush Opcache with Varnish?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WP-Optimize – Cache, Compress images… was last updated 1 week ago and Flush Opcache with Varnish was last updated 8 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.