# IOO vs Robin Image Optimizer

> IOO vs Robin Image Optimizer compared on installs, downloads, ratings, updates, compatibility and support. Robin Image Optimizer comes out ahead, winning 6 of 6 head-to-head checks against IOO.

**Robin Image Optimizer comes out ahead, winning 6 of 6 head-to-head checks against IOO.** Choose Robin Image Optimizer if you care most about active installs, downloads (30 days) and download trend.

| | IOO – Image Offload & Optimize | Robin Image Optimizer – Unlimited Image Optimization, WebP & AVIF |
|---|---|---|
| Active installs | <10 | 100K+ ✅ |
| Downloads (30 days) | 74 | 83.2K ✅ |
| Download trend | -67% | +101.2% ✅ |
| Rating | — | 4.4/5 |
| Reviews | 0 | 131 ✅ |
| Health score | 60/100 | 93/100 ✅ |
| Last updated | 1 month ago | 1 week ago ✅ |
| Tested up to | WP 7.1.3 | WP 7.1.3 |
| Support resolved | — | 100% |
| Requires PHP | 7.4+ | 7.4+ |
| First released | Aug 2026 | Aug 2018 |

## Frequently asked questions

### Which is better, IOO or Robin Image Optimizer?
Robin Image Optimizer comes out ahead, winning 6 of 6 head-to-head checks against IOO.  Choose Robin Image Optimizer if you care most about active installs, downloads (30 days) and download trend.

### Is IOO more popular than Robin Image Optimizer?
Robin Image Optimizer is the more popular of the two with 100K+ active installs, compared with <10 for IOO.

### Can I use IOO and Robin Image Optimizer together?
Both plugins cover AVIF, image optimization and webp, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.

### Are IOO and Robin Image Optimizer free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.


---
Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/ioo-image-offload-optimize-vs-robin-image-optimizer/ · Generated 2026-10-09 18:24 UTC by PageForge