WordPress plugin comparison
Kraken.io Image Optimizer vs Image Optimization For SEO
Kraken.io Image Optimizer
by Kraken.io
10K+ installs4.5
Image Optimization For SEO
by Weblizar - WordPress Themes & Plugin
3K+ installs3.7
At a glance
- Kraken.io Image Optimizer has more active installs: 10K+, against 3K+ for Image Optimization For SEO.
- On a typical day, Kraken.io Image Optimizer is downloaded about 97 times, Image Optimization For SEO about 25.
- Kraken.io Image Optimizer is rated higher: 4.5 out of 5 from 119 reviews, against 3.7 from 12 reviews.
- Image Optimization For SEO was updated more recently: Sep 11, 2026, against Jun 22, 2026 for Kraken.io Image Optimizer.
- Image Optimization For SEO is tested with a newer WordPress: 7.1.4, against 7.0.8 for Kraken.io Image Optimizer.
- Kraken.io Image Optimizer has been around longer: since 2014, against 2016 for Image Optimization For SEO.
Line by line
Kraken.io Image Optimizer leads on 5 of 7 comparable lines.
| Metric | Kraken.io Image Optimizer | Image Optimization For SEO |
|---|---|---|
| Popular rank | #1,581 | #4,156 |
| Active installs | 10K+ | 3K+ |
| Downloads, last 30 days | 4.3K | 694 |
| Rating | 4.5(119) | 3.7(12) |
| Support threads resolved | – | – |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.83 | ×0.64 |
| Last release | 4 months ago | 2 months ago |
| Requires PHP | 5.6 | – |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
- Kraken.io Image Optimizer vs Smush
- Kraken.io Image Optimizer vs Imagify Image Optimization
- Kraken.io Image Optimizer vs Converter for Media
- Kraken.io Image Optimizer vs ShortPixel Image Optimizer
- Image Optimization For SEO vs Smush
- Image Optimization For SEO vs Imagify Image Optimization
- Image Optimization For SEO vs Converter for Media
- Image Optimization For SEO vs ShortPixel Image Optimizer
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free