WordPress plugin comparison
Nix Image Optimizer vs Robin Image Optimizer
At a glance
- Robin Image Optimizer has more active installs: 100K+, against 10+ for Nix Image Optimizer.
- On a typical day, Robin Image Optimizer is downloaded about 736 times, Nix Image Optimizer about 4.
- Nix Image Optimizer 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 Oct 28, 2026 for Nix Image Optimizer.
- Both are tested up to WordPress 7.1.4.
- Robin Image Optimizer has been around longer: since 2018, against 2026 for Nix Image Optimizer.
Line by line
Robin Image Optimizer leads on 5 of 6 comparable lines.
| Metric |  Nix Image Optimizer |  Robin Image Optimizer |
|---|---|---|
| Popular rank | #34,764 | #454 |
| Active installs | 10+ | 100K+ |
| Downloads, last 30 days | 129 | 42.6K |
| Rating | 5.0(1) | 4.4(132) |
| Support threads resolved | – | 100% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.19 | ×1.27 |
| Last release | 12 days ago | 6 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.
Tags they share
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