WordPress plugin comparison
Robin Image Optimizer vs WebP Express
At a glance
- WebP Express has more active installs: 300K+, against 100K+ for Robin Image Optimizer.
- On a typical day, WebP Express is downloaded about 2,753 times, Robin Image Optimizer about 587.
- Both are rated 4.4 out of 5.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Oct 18, 2026 for WebP Express.
- Robin Image Optimizer resolves more of its support threads: 100% in the last two months, against 0% for WebP Express.
- Robin Image Optimizer is tested with a newer WordPress: 7.1.4, against 6.9.11 for WebP Express.
Line by line
Robin Image Optimizer leads on 4 of 7 comparable lines.
| Metric |  Robin Image Optimizer |  WebP Express |
|---|---|---|
| Popular rank | #454 | #167 |
| Active installs | 100K+ | 300K+ |
| Downloads, last 30 days | 41.7K | 159.1K |
| Rating | 4.4(132) | 4.4(162) |
| Support threads resolved | 100% | 0% |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×1.27 | ×1.12 |
| Last release | 6 days ago | 22 days ago |
| Requires PHP | 7.4 | 5.6 |
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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