W3 Total Cache vs Image Optimizer, Resizer and CDN – Sirv (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Image Optimizer, Resizer and CDN – Sirv
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Image Optimizer, Resizer and CDN – Sirv has a higher user rating (4.9/5 from 265 reviews) while W3 Total Cache leads in active installations (900K+ vs 1.0K+). Both are free WordPress plugins. W3 Total Cache has accumulated 63M+ total downloads while Image Optimizer, Resizer and CDN – Sirv has 129K+.
Detailed Comparison
| Metric | W3 Total Cache | Image Optimizer, Resizer and CDN – Sirv | |
|---|---|---|---|
| Rating | 4.4/5 | ► | 4.9/5 |
| Total Reviews | 5,416 | ◄ | 265 |
| Active Installs | 900K+ | ◄ | 1.0K+ |
| Total Downloads | 63M+ | ◄ | 129K+ |
| Support Resolution | 67% | N/A | |
| Last Updated | 5 days ago | ◄ | 6 days ago |
| First Released | 2009 | 2015 | |
| Age | 17 years | 11 years | |
| WP Requires | 5.3+ | 3.0.1+ | |
| PHP Requires | 7.2.5+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 2.9.4 | 8.2.2 |
Rating Breakdown
W3 Total Cache
Image Optimizer, Resizer and CDN – Sirv
Download Trends
Over the past 30 days, W3 Total Cache averaged approximately 39,317 daily downloads while Image Optimizer, Resizer and CDN – Sirv averaged 85.
Recent Reviews
W3 Total Cache Reviews
Reliability Concerns After Plugin Update
I’ve been a long-time user of W3 Total Cache and have generally appreciated its performance benefits over the years. However, my recent experience with version 2.9.3 was quite concerning. After upd
They delete comments
A serious security issue was discovered in the plugin two weeks ago, leaving it vulnerable. No updated version has been released yet. Worst of all, they’re deleting comments requesting updates on this
Excellent!
It’s powerful on it’s own, and almost mandatory. This topic was modified 1 month, 2 weeks ago by Lenni. This topic was modified 1 month, 2 weeks ago by Lenni.
Image Optimizer, Resizer and CDN – Sirv Reviews
I like
<span style=”background-color: rgb(48, 49, 52); color: rgb(232, 234, 237); font-family: inherit; font-size: 28px;”>It’s a good plugin</span>
Great Results
This really improved my page speed
Amazing for 360 assets
Amazing for creating and serving 360 assets
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Frequently Asked Questions
Is W3 Total Cache or Image Optimizer, Resizer and CDN – Sirv more popular?
Which has better ratings — W3 Total Cache or Image Optimizer, Resizer and CDN – Sirv?
Are W3 Total Cache and Image Optimizer, Resizer and CDN – Sirv free?
Which plugin has better support — W3 Total Cache or Image Optimizer, Resizer and CDN – Sirv?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.