Smush – Image Optimization… vs Kraken.io Image Optimizer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Smush – Image Optimization…
1.0M+ active installs
Free + Premium
Kraken.io Image Optimizer
10K+ active installs
Free
Quick Verdict
As of April 2026, Smush – Image Optimization… has a higher user rating (4.8/5 from 6,034 reviews) and leads in active installations (1.0M+ vs 10K+). Both are free + premium WordPress plugins. Smush – Image Optimization… has accumulated 64M+ total downloads while Kraken.io Image Optimizer has 399K+.
Detailed Comparison
| Metric | Smush – Image Optimization… | Kraken.io Image Optimizer | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 4.5/5 |
| Total Reviews | 6,034 | ◄ | 119 |
| Active Installs | 1.0M+ | ◄ | 10K+ |
| Total Downloads | 64M+ | ◄ | 399K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 3 days ago | ◄ | 1 month ago |
| First Released | 2008 | 2014 | |
| Age | 18 years | 12 years | |
| WP Requires | 6.4+ | 4.9+ | |
| PHP Requires | 7.4+ | 5.6+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 3.24.0 | 2.7.0 |
Rating Breakdown
Smush – Image Optimization…
Kraken.io Image Optimizer
Download Trends
Over the past 30 days, Smush – Image Optimization… averaged approximately 7,614 daily downloads while Kraken.io Image Optimizer averaged 208.
Recent Reviews
Smush – Image Optimization… Reviews
Best App Category
Thanks for supporting our website.
Great Plugin
Großartiges Plugin um Bilder zu optimieren.
Super Helpful
Good plugin for compressing images in WordPress. Setup took just a minute, and it started optimizing right away. Site speed improved a bit, too. tnx devs for this.
Kraken.io Image Optimizer Reviews
Poor Quality
Not worth the time.
Terrible Customer Service
As others are noting here, their customer service is terrible. In fact I’d use the word “non-existent”. After signing up with an account I decided that the service was no longer what I needed and cont
Worst service I’ve encountered
Whatever you do, do not use this service. They will happily charge your credit cars, but when you try to reach them for support, they never respond. Their service is a disgrace.
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Frequently Asked Questions
Is Smush – Image Optimization… or Kraken.io Image Optimizer more popular?
Which has better ratings — Smush – Image Optimization… or Kraken.io Image Optimizer?
Are Smush – Image Optimization… and Kraken.io Image Optimizer free?
Which plugin has better support — Smush – Image Optimization… or Kraken.io Image Optimizer?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.