WordPress plugin comparison
Robin Image Optimizer vs Smush
Robin Image Optimizer
by Themeisle
100K+ installs4.4
Smush
by WPMU DEV - Your All-in-One WordPress Platform
1M+ installs4.8
At a glance
- Smush has more active installs: 1M+, against 100K+ for Robin Image Optimizer.
- On a typical day, Smush is downloaded about 15,819 times, Robin Image Optimizer about 736.
- Smush is rated higher: 4.8 out of 5 from 6,053 reviews, against 4.4 from 132 reviews.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Nov 2, 2026 for Smush.
- Robin Image Optimizer resolves more of its support threads: 100% in the last two months, against 88% for Smush.
- Both are tested up to WordPress 7.1.4.
- Smush has been around longer: since 2008, against 2018 for Robin Image Optimizer.
Line by line
Smush leads on 5 of 7 comparable lines.
| Metric | Robin Image Optimizer | Smush |
|---|---|---|
| Popular rank | #454 | #66 |
| Active installs | 100K+ | 1M+ |
| Downloads, last 30 days | 42.6K | 984.2K |
| Rating | 4.4(132) | 4.8(6.1K) |
| Support threads resolved | 100% | 88% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×1.27 | ×3.51 |
| Last release | 6 days ago | 7 days ago |
| Requires PHP | 7.4 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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