LiteSpeed Cache vs Image Optimization For SEO (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Image Optimization For SEO
3.0K+ active installs
Free
Quick Verdict
As of April 2026, LiteSpeed Cache has a higher user rating (4.8/5 from 2,726 reviews) and leads in active installations (7.0M+ vs 3.0K+). Both are free WordPress plugins. LiteSpeed Cache has accumulated 129M+ total downloads while Image Optimization For SEO has 204K+.
Detailed Comparison
| Metric | LiteSpeed Cache | Image Optimization For SEO | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 3.7/5 |
| Total Reviews | 2,726 | ◄ | 12 |
| Active Installs | 7.0M+ | ◄ | 3.0K+ |
| Total Downloads | 129M+ | ◄ | 204K+ |
| Support Resolution | 70% | N/A | |
| Last Updated | 3 days ago | ◄ | 1 month ago |
| First Released | 2016 | 2016 | |
| Age | 10 years | 10 years | |
| WP Requires | 5.3+ | false+ | |
| PHP Requires | 7.2+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 7.8.1 | 1.4.4 |
Rating Breakdown
LiteSpeed Cache
Image Optimization For SEO
Download Trends
Over the past 30 days, LiteSpeed Cache averaged approximately 131,825 daily downloads while Image Optimization For SEO averaged 20.
Recent Reviews
LiteSpeed Cache Reviews
Fast & Smooth
Site speed improved a lot after using this. Easy setup n great caching options. Pages load way faster now. really happy with it tbh 👍
BEST CACHE PLUGIN – enterprise performance, features, reliability
I’ve been using LiteSpeed server for over 10 years, LiteSpeed cache for nearly 10 years (almost since the beginning). They keep developing and innovating, nothing else even comes close.
Works great with Hostinger
Works great with Hostinger. I’ve had to toy with a few of the settings to get the optimized results I was looking for but that was easy to do.
Image Optimization For SEO Reviews
I use for a long time. Excellent plugin!
I use for a long time. Excellent plugin! Excellent support! Keep it up! This topic was modified 3 years, 8 months ago by dashamiro.
Everything as expected
Everything working as expected This topic was modified 4 years, 5 months ago by egocefalo.
Does not work as stated
The plugin does not work as stated, it is absolutely useless for Woocommerce (Pro version) This topic was modified 7 years, 4 months ago by leo237.
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Frequently Asked Questions
Is LiteSpeed Cache or Image Optimization For SEO more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.