WordPress plugin comparison
Kraken.io Image Optimizer vs Smush
Kraken.io Image Optimizer
by Kraken.io
10K+ installs4.5
Smush
by WPMU DEV - Your All-in-One WordPress Platform
1M+ installs4.8
At a glance
- Smush has more active installs: 1M+, against 10K+ for Kraken.io Image Optimizer.
- On a typical day, Smush is downloaded about 15,819 times, Kraken.io Image Optimizer about 97.
- Smush is rated higher: 4.8 out of 5 from 6,053 reviews, against 4.5 from 119 reviews.
- Smush was updated more recently: Nov 2, 2026, against Jun 22, 2026 for Kraken.io Image Optimizer.
- Smush is tested with a newer WordPress: 7.1.4, against 7.0.8 for Kraken.io Image Optimizer.
- Smush has been around longer: since 2008, against 2014 for Kraken.io Image Optimizer.
Line by line
Smush leads on 7 of 7 comparable lines.
| Metric | Kraken.io Image Optimizer | Smush |
|---|---|---|
| Popular rank | #1,581 | #66 |
| Active installs | 10K+ | 1M+ |
| Downloads, last 30 days | 4.3K | 984.2K |
| Rating | 4.5(119) | 4.8(6.1K) |
| Support threads resolved | – | 88% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.83 | ×3.51 |
| Last release | 4 months ago | 8 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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