WordPress plugin comparison
Capo vs Image Optimizer
At a glance
- Image Optimizer has more active installs: 1M+, against 20+ for Capo.
- On a typical day, Image Optimizer is downloaded about 5,796 times, Capo about 2.
- Capo has no reviews yet.
- Image Optimizer was updated more recently: Sep 22, 2026, against Aug 24, 2026 for Capo.
- Both are tested up to WordPress 7.0.8.
- Image Optimizer has been around longer: since 2024, against 2026 for Capo.
Line by line
Image Optimizer leads on 5 of 5 comparable lines.
| Metric |  Capo |  Image Optimizer |
|---|---|---|
| Popular rank | #26,075 | #58 |
| Active installs | 20+ | 1M+ |
| Downloads, last 30 days | 81 | 174.1K |
| Rating | No ratings | 1.7(81) |
| Support threads resolved | – | 100% |
| Tested up to | 7.0.8 | 7.0.8 |
| Search multiplier | ×0.17 | ×1.28 |
| Last release | 2 months ago | 1 month 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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