WP-Optimize – Cache, Compress images… vs WP Compress – Instant Performance &… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WP-Optimize – Cache, Compress images…
1.0M+ active installs
Free
WP Compress – Instant Performance &…
10K+ active installs
Free
Quick Verdict
As of April 2026, WP-Optimize – Cache, Compress images… has a higher user rating (4.8/5 from 2,567 reviews) and leads in active installations (1.0M+ vs 10K+). Both are free WordPress plugins. WP-Optimize – Cache, Compress images… has accumulated 55M+ total downloads while WP Compress – Instant Performance &… has 1.1M+.
Detailed Comparison
| Metric | WP-Optimize – Cache, Compress images… | WP Compress – Instant Performance &… | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 4.5/5 |
| Total Reviews | 2,567 | ◄ | 152 |
| Active Installs | 1.0M+ | ◄ | 10K+ |
| Total Downloads | 55M+ | ◄ | 1.1M+ |
| Support Resolution | 63% | N/A | |
| Last Updated | 1 week ago | ► | Yesterday |
| First Released | 2009 | 2018 | |
| Age | 17 years | 8 years | |
| WP Requires | 4.9+ | 6.5+ | |
| PHP Requires | 7.2+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 4.5.1 | 7.00.01 |
Rating Breakdown
WP-Optimize – Cache, Compress images…
WP Compress – Instant Performance &…
Download Trends
Over the past 30 days, WP-Optimize – Cache, Compress images… averaged approximately 24,837 daily downloads while WP Compress – Instant Performance &… averaged 1,502.
Recent Reviews
WP-Optimize – Cache, Compress images… Reviews
Рахмет.
Жақсы плагин. Әзірлеушілерге рахмет.
Excelente
Muito bom
Trash it, before it kills your conversions.
WP-Optimize fails to fully de-register its components even when caching is toggled off in the UI. Its hooks and filters remain active on every page load, specifically interfering with the WooCommerce
WP Compress – Instant Performance &… Reviews
Does Not serve modern image formats for all
Does not convert .jpg to modern image formats like .webp in all environments This topic was modified 2 weeks, 3 days ago by jtohme.
Fantastic plugin & helpful support
I’ve used WP Compress for a over a month now and safely say it’s truly worthy of 10 stars if I could rate it that. Websites that previously felt like they crawled are now cruising faster than I could
Really helps our agency!
We’ve tried other performance plugins but nothing has compared with as many agency features as WP Compress. Thank you for fast speeds, unlimited websites and easy management!
More Plugins Worth Comparing
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OMGF automagically caches the Google Fonts used by your theme/plugins locally. No configuration (or brains) required!
Speed up your WordPress site with one-click optimizations like Page Cache, Critical CSS, and Image CDN to improve Core Web Vitals.
Frequently Asked Questions
Is WP-Optimize – Cache, Compress images… or WP Compress – Instant Performance &… more popular?
Which has better ratings — WP-Optimize – Cache, Compress images… or WP Compress – Instant Performance &…?
Are WP-Optimize – Cache, Compress images… and WP Compress – Instant Performance &… free?
Which plugin has better support — WP-Optimize – Cache, Compress images… or WP Compress – Instant Performance &…?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.