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Autoptimize vs WebP Express (2026)

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

Autoptimize

Autoptimize

4.7(1,424)

900K+ active installs

Free

Updated Today
View Autoptimize
VS
WebP Express

WebP Express

4.4(160)

300K+ active installs

Free

Updated 2 months ago
View WebP Express

Quick Verdict

As of April 2026, Autoptimize has a higher user rating (4.7/5 from 1,424 reviews) and leads in active installations (900K+ vs 300K+). Both are free WordPress plugins. Autoptimize has accumulated 43M+ total downloads while WebP Express has 4.1M+. Autoptimize has a higher support resolution rate (36% vs 0%).

Detailed Comparison

Rating
4.7/5Autoptimize
◄
WebP Express4.4/5
Total Reviews
1,424Autoptimize
◄
WebP Express160
Active Installs
900K+Autoptimize
◄
WebP Express300K+
Total Downloads
43M+Autoptimize
◄
WebP Express4.1M+
Support Resolution
36%Autoptimize
◄
WebP Express0%
Last Updated
TodayAutoptimize
◄
WebP Express2 months ago
First Released
2009Autoptimize
WebP Express2018
Age
17 yearsAutoptimize
WebP Express8 years
WP Requires
5.3+Autoptimize
WebP Express4.0+
PHP Requires
7.1+Autoptimize
WebP Express5.6+
Business Model
FreeAutoptimize
WebP ExpressFree
Latest Version
3.1.15.1Autoptimize
WebP Express0.25.14

Rating Breakdown

Autoptimize

4.7/5(1,424 reviews)
5
90%
4
2%
3
1%
2
1%
1
5%

WebP Express

4.4/5(160 reviews)
5
81%
4
4%
3
1%
2
4%
1
10%

Recent Reviews

Autoptimize Reviews

by uniqf0x

avoid

causes critical error, also no way to deactivate or remove without it crippling my wp site. don’t use it.

by kkrajk

Injects Malware.

Not one but this happened twice in about 6 months across 2 sites. This topic was modified 1 week, 6 days ago by kkrajk.

by davo342

Mala idea adquirir la versión PRO

Pague la versión PRO, y realmente fue un desastre, mi web tuvo constantes caídas, excesiva cantidad de cache, problemas con el CSS, realmente fue una perdida de dinero en el Plugin

WebP Express Reviews

by Wishlight

Good plugin

Good plugin. Thanks for the update.

by metroobra

Excelent and good free plugin

Excelent and good free plugin for convert images jpg/png a webp

by smastromattei

Amazing

This stuff is the real deal: just an app that works, no hassling like premium versions or special features. Thank you.

Frequently Asked Questions

Is Autoptimize or WebP Express more popular?
Autoptimize has 900K+ active installations while WebP Express has 300K+. Autoptimize is the more widely-used plugin as of April 2026.
Which has better ratings — Autoptimize or WebP Express?
Autoptimize has a 4.7/5 rating from 1,424 reviews, while WebP Express has a 4.4/5 rating from 160 reviews.
Are Autoptimize and WebP Express free?
Autoptimize is free and WebP Express is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Autoptimize or WebP Express?
As of April 2026, Autoptimize has a 36% support resolution rate while WebP Express has a 0% rate.
Which plugin is updated more frequently?
Autoptimize was last updated Today and WebP Express was last updated 2 months ago.

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