WordPress plugin comparison
KuDesign ImageIO vs Robin Image Optimizer
KuDesign ImageIO
by zliu95
Fewer than 10 installs5.0
Robin Image Optimizer
by Themeisle
100K+ installs4.4
At a glance
- Robin Image Optimizer has more active installs: 100K+, against fewer than 10 for KuDesign ImageIO.
- On a typical day, Robin Image Optimizer is downloaded about 736 times, KuDesign ImageIO about 2.
- KuDesign ImageIO is rated higher: 5.0 out of 5 from 1 review, against 4.4 from 132 reviews.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Jul 12, 2026 for KuDesign ImageIO.
- Robin Image Optimizer is tested with a newer WordPress: 7.1.4, against 7.0.8 for KuDesign ImageIO.
- Robin Image Optimizer has been around longer: since 2018, against 2026 for KuDesign ImageIO.
Line by line
Robin Image Optimizer leads on 6 of 7 comparable lines.
| Metric | KuDesign ImageIO | Robin Image Optimizer |
|---|---|---|
| Popular rank | #58,307 | #454 |
| Active installs | Fewer than 10 | 100K+ |
| Downloads, last 30 days | 49 | 42.6K |
| Rating | 5.0(1) | 4.4(132) |
| Support threads resolved | – | 100% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.07 | ×1.27 |
| Last release | 4 months 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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