WordPress plugin comparison
Kraken.io Image Optimizer vs Robin Image Optimizer
Kraken.io Image Optimizer
by Kraken.io
10K+ installs4.5
Robin Image Optimizer
by Themeisle
100K+ installs4.4
At a glance
- Robin Image Optimizer has more active installs: 100K+, against 10K+ for Kraken.io Image Optimizer.
- On a typical day, Robin Image Optimizer is downloaded about 736 times, Kraken.io Image Optimizer about 97.
- Kraken.io Image Optimizer is rated higher: 4.5 out of 5 from 119 reviews, against 4.4 from 132 reviews.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Jun 22, 2026 for Kraken.io Image Optimizer.
- Robin Image Optimizer 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 2018 for Robin Image Optimizer.
Line by line
Robin Image Optimizer leads on 6 of 7 comparable lines.
| Metric | Kraken.io Image Optimizer | Robin Image Optimizer |
|---|---|---|
| Popular rank | #1,581 | #454 |
| Active installs | 10K+ | 100K+ |
| Downloads, last 30 days | 4.3K | 42.6K |
| Rating | 4.5(119) | 4.4(132) |
| Support threads resolved | – | 100% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.83 | ×1.27 |
| Last release | 4 months ago | 6 days ago |
| Requires PHP | 5.6 | 7.4 |
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
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- Robin Image Optimizer vs Optimole
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- Robin Image Optimizer vs TheDock Media
- Robin Image Optimizer vs Smush
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