Cache Enabler 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, Cache Enabler has a higher user rating (4.3/5 from 138 reviews) and leads in active installations (100K+ vs 30K+). Both are free WordPress plugins. Cache Enabler has accumulated 2.6M+ total downloads while Optimus – WordPress Image Optimizer has 694K+.
Detailed Comparison
| Metric | Cache Enabler | Optimus – WordPress Image Optimizer | |
|---|---|---|---|
| Rating | 4.3/5 | ◄ | 4.2/5 |
| Total Reviews | 138 | ◄ | 68 |
| Active Installs | 100K+ | ◄ | 30K+ |
| Total Downloads | 2.6M+ | ◄ | 694K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 1 month ago | ► | 1 month ago |
| First Released | 2015 | 2012 | |
| Age | 11 years | 14 years | |
| WP Requires | 5.1+ | 4.6+ | |
| PHP Requires | 5.6+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 1.8.16 | 1.6.3 |
Rating Breakdown
Cache Enabler
Optimus – WordPress Image Optimizer
Download Trends
Over the past 30 days, Cache Enabler averaged approximately 965 daily downloads while Optimus – WordPress Image Optimizer averaged 38.
Recent Reviews
Cache Enabler Reviews
Cache
Saves html files to /cache/cache-enabler and disabling Cache Enabler doesn’t remove the files!
Best Caching Plugin!
I’ve been using this plugin for years, and it works really well! I’ve tried many caching plugins, and this one is by far the easiest to use. It’s lightweight, straightforward, and less likely to cause
works perfectly with ELEX get a quote
The only cache that’s working perfect together with ELEX // get a quote ! Take;s us many testing with a lot of caching programs to find this out.
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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Speed up your website by using our WebP & AVIF Converter. Optimize images and serve WebP and AVIF images instead of standard formats!
Serve autogenerated WebP images instead of jpeg/png to browsers that supports WebP.
Converts images to more modern formats such as WebP or AVIF during upload.
Optimize image sizes, regenerate thumbnails, enable retina, convert to WebP/AVIF, or use cloud optimization. An essential image toolkit.
Frequently Asked Questions
Is Cache Enabler or Optimus – WordPress Image Optimizer more popular?
Which has better ratings — Cache Enabler or Optimus – WordPress Image Optimizer?
Are Cache Enabler and Optimus – WordPress Image Optimizer free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.