WP-Optimize – Cache, Compress images… vs Merge + Minify + Refresh (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
Merge + Minify + Refresh

Merge + Minify + Refresh

4.2(68)

4.0K+ active installs

Free

Updated 3 months ago
View Merge + Minify + Refresh

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 4.0K+). Both are free WordPress plugins. WP-Optimize – Cache, Compress images… has accumulated 55M+ total downloads while Merge + Minify + Refresh has 443K+.

Detailed Comparison

Rating
4.8/5WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh4.2/5
Total Reviews
2,567WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh68
Active Installs
1.0M+WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh4.0K+
Total Downloads
55M+WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh443K+
Support Resolution
62%WP-Optimize – Cache, Compress images…
Merge + Minify + RefreshN/A
Last Updated
1 week agoWP-Optimize – Cache, Compress images…
Merge + Minify + Refresh3 months ago
First Released
2009WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh2015
Age
17 yearsWP-Optimize – Cache, Compress images…
Merge + Minify + Refresh11 years
WP Requires
4.9+WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh6.4.0+
PHP Requires
7.2+WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh7.4+
Business Model
FreeWP-Optimize – Cache, Compress images…
Merge + Minify + RefreshFree
Latest Version
4.5.1WP-Optimize – Cache, Compress images…
Merge + Minify + Refresh2.15

Rating Breakdown

WP-Optimize – Cache, Compress images…

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

Merge + Minify + Refresh

4.2/5(68 reviews)
5
74%
4
6%
3
4%
2
1%
1
15%

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

Merge + Minify + Refresh Reviews

by Marisa

good plugin

I used a website speed test to look at the differences before and after installing this plugin. Of course I waited a while for the merging and minifying to take effect i.e. I visited my website and mo

by thorsenrune

Works with caveats

It seems to me that: * if the CSS files has @includes it will not work. The option to skip CSS seems to be ignored * If the site is password protected (htpasswd protected site) the minifying part will

by Adnan Afzal

Great plugin.

Great plugin. Works as expected. Thank you.

Frequently Asked Questions

Is WP-Optimize – Cache, Compress images… or Merge + Minify + Refresh more popular?
WP-Optimize – Cache, Compress images… has 1.0M+ active installations while Merge + Minify + Refresh has 4.0K+. 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 Merge + Minify + Refresh?
WP-Optimize – Cache, Compress images… has a 4.8/5 rating from 2,567 reviews, while Merge + Minify + Refresh has a 4.2/5 rating from 68 reviews.
Are WP-Optimize – Cache, Compress images… and Merge + Minify + Refresh free?
WP-Optimize – Cache, Compress images… is free and Merge + Minify + Refresh is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP-Optimize – Cache, Compress images… or Merge + Minify + Refresh?
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 Merge + Minify + Refresh was last updated 3 months ago.

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