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.
Optimus – WordPress Image Optimizer
30K+ active installs
Free
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
| Metric | WebP Express | Optimus – WordPress Image Optimizer | |
|---|---|---|---|
| Rating | 4.4/5 | ◄ | 4.2/5 |
| Total Reviews | 160 | ◄ | 68 |
| Active Installs | 300K+ | ◄ | 30K+ |
| Total Downloads | 4.1M+ | ◄ | 694K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 2 months ago | ► | 1 month ago |
| First Released | 2018 | 2012 | |
| Age | 8 years | 14 years | |
| WP Requires | 4.0+ | 4.6+ | |
| PHP Requires | 5.6+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 0.25.14 | 1.6.3 |
Rating Breakdown
WebP Express
Optimus – WordPress Image Optimizer
Download Trends
Over the past 30 days, WebP Express averaged approximately 1,187 daily downloads while Optimus – WordPress Image Optimizer averaged 38.
Recent Reviews
WebP Express Reviews
Good plugin
Good plugin. Thanks for the update.
Excelent and good free plugin
Excelent and good free plugin for convert images jpg/png a webp
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
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
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
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
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.