WordPress plugin comparison
CompressX vs Robin Image Optimizer
At a glance
- Robin Image Optimizer has more active installs: 100K+, against 40K+ for CompressX.
- On a typical day, Robin Image Optimizer is downloaded about 587 times, CompressX about 444.
- CompressX is rated higher: 5.0 out of 5 from 198 reviews, against 4.4 from 132 reviews.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Oct 7, 2026 for CompressX.
- Robin Image Optimizer resolves more of its support threads: 100% in the last two months, against 67% for CompressX.
- Both are tested up to WordPress 7.1.4.
- Robin Image Optimizer has been around longer: since 2018, against 2024 for CompressX.
Line by line
Robin Image Optimizer leads on 5 of 7 comparable lines.
| Metric |  CompressX |  Robin Image Optimizer |
|---|---|---|
| Popular rank | #819 | #454 |
| Active installs | 40K+ | 100K+ |
| Downloads, last 30 days | 15.9K | 41.7K |
| Rating | 5.0(198) | 4.4(132) |
| Support threads resolved | 67% | 100% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×1.37 | ×1.27 |
| Last release | 1 month ago | 6 days ago |
| Requires PHP | 7.0 | 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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