Imsanity vs CW Image Optimizer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
VS
VS
Quick Verdict
As of April 2026, Imsanity has a higher user rating (4.9/5 from 291 reviews) and leads in active installations (200K+ vs 200). Both are free WordPress plugins. Imsanity has accumulated 4.5M+ total downloads while CW Image Optimizer has 69K+.
Detailed Comparison
| Metric | Imsanity | CW Image Optimizer | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | 3.9/5 |
| Total Reviews | 291 | ◄ | 14 |
| Active Installs | 200K+ | ◄ | 200 |
| Total Downloads | 4.5M+ | ◄ | 69K+ |
| Support Resolution | 50% | N/A | |
| Last Updated | 1 month ago | ◄ | 11 years ago |
| First Released | 2011 | 2011 | |
| Age | 15 years | 15 years | |
| WP Requires | 6.6+ | 2.9+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 2.9.0 | 1.1.10 |
Rating
4.9/5Imsanity
◄CW Image Optimizer3.9/5
Total Reviews
291Imsanity
◄CW Image Optimizer14
Active Installs
200K+Imsanity
◄CW Image Optimizer200
Total Downloads
4.5M+Imsanity
◄CW Image Optimizer69K+
Support Resolution
50%Imsanity
CW Image OptimizerN/A
Last Updated
1 month agoImsanity
◄CW Image Optimizer11 years ago
First Released
2011Imsanity
CW Image Optimizer2011
Age
15 yearsImsanity
CW Image Optimizer15 years
WP Requires
6.6+Imsanity
CW Image Optimizer2.9+
PHP Requires
7.4+Imsanity
CW Image Optimizerfalse+
Business Model
FreeImsanity
CW Image OptimizerFree
Latest Version
2.9.0Imsanity
CW Image Optimizer1.1.10
Rating Breakdown
Imsanity
4.9/5(291 reviews)
5
95%
4
3%
3
0%
2
1%
1
1%
CW Image Optimizer
3.9/5(14 reviews)
5
71%
4
0%
3
0%
2
0%
1
29%
Download Trends
Recent Reviews
Imsanity Reviews
by robertgray
It works
It just works 🙂
by edgarro
The best!
Very, very useful.
by Topher
Perfect
This plugin does exactly what it says. It also works with WebP, so combined with Cimo you have a perfect scenario for a health media library.
CW Image Optimizer Reviews
No reviews yet
Frequently Asked Questions
Is Imsanity or CW Image Optimizer more popular?
Imsanity has 200K+ active installations while CW Image Optimizer has 200. Imsanity is the more widely-used plugin as of April 2026.
Which has better ratings — Imsanity or CW Image Optimizer?
Imsanity has a 4.9/5 rating from 291 reviews, while CW Image Optimizer has a 3.9/5 rating from 14 reviews.
Are Imsanity and CW Image Optimizer free?
Imsanity is free and CW Image Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Imsanity or CW Image Optimizer?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Imsanity was last updated 1 month ago and CW Image Optimizer was last updated 11 years ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.