WebP Express vs Optimus – WordPress Image Optimizer (2026)

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

WebP Express

WebP Express

4.4(160)

300K+ active installs

Free

Updated 2 months ago
View WebP Express
VS
Optimus – WordPress Image Optimizer

Optimus – WordPress Image Optimizer

4.2(68)

30K+ active installs

Free

Updated 1 month ago
View Optimus – WordPress Image Optimizer

Quick Verdict

As of April 2026, WebP Express has a higher user rating (4.4/5 from 160 reviews) and leads in active installations (300K+ vs 30K+). Both are free WordPress plugins. WebP Express has accumulated 4.1M+ total downloads while Optimus – WordPress Image Optimizer has 694K+.

Detailed Comparison

Rating
4.4/5WebP Express
Optimus – WordPress Image Optimizer4.2/5
Total Reviews
160WebP Express
Optimus – WordPress Image Optimizer68
Active Installs
300K+WebP Express
Optimus – WordPress Image Optimizer30K+
Total Downloads
4.1M+WebP Express
Optimus – WordPress Image Optimizer694K+
Support Resolution
0%WebP Express
Optimus – WordPress Image OptimizerN/A
Last Updated
2 months agoWebP Express
Optimus – WordPress Image Optimizer1 month ago
First Released
2018WebP Express
Optimus – WordPress Image Optimizer2012
Age
8 yearsWebP Express
Optimus – WordPress Image Optimizer14 years
WP Requires
4.0+WebP Express
Optimus – WordPress Image Optimizer4.6+
PHP Requires
5.6+WebP Express
Optimus – WordPress Image Optimizer5.6+
Business Model
FreeWebP Express
Optimus – WordPress Image OptimizerFree
Latest Version
0.25.14WebP Express
Optimus – WordPress Image Optimizer1.6.3

Rating Breakdown

WebP Express

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

Optimus – WordPress Image Optimizer

4.2/5(68 reviews)
5
75%
4
4%
3
1%
2
4%
1
15%

Recent Reviews

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.

Optimus – WordPress Image Optimizer Reviews

by alexio

Not very effective

The 100kb limit of the free version is very limiting and mostly serves like a demo. My disappointment was that even though i had the premium version and i optimized the images, google pagespeed still

by Coworking à Vannes

Fait le job

Pourquoi perdre du temps quand un outil peut vous en faire gagner… Si vous avez des images trop lourdes qui peuvent ralentir votre site, c’est l’outil idéal. This topic was modified 7 years, 2

by Panos Sakalakis

You should purchase this plugin!

A simple, fast and easy to use plugin that has great features to offer. I’ve purchased a key for the Pro version a few days ago and converted all my pictures to webP. My blog is faster than ever. If y

Frequently Asked Questions

Is WebP Express or Optimus – WordPress Image Optimizer more popular?
WebP Express has 300K+ active installations while Optimus – WordPress Image Optimizer has 30K+. WebP Express is the more widely-used plugin as of April 2026.
Which has better ratings — WebP Express or Optimus – WordPress Image Optimizer?
WebP Express has a 4.4/5 rating from 160 reviews, while Optimus – WordPress Image Optimizer has a 4.2/5 rating from 68 reviews.
Are WebP Express and Optimus – WordPress Image Optimizer free?
WebP Express is free and Optimus – WordPress Image Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WebP Express or Optimus – WordPress Image Optimizer?
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?
WebP Express was last updated 2 months ago and Optimus – WordPress Image Optimizer was last updated 1 month ago.

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