WordPress plugin comparison
PixelByline vs Robin Image Optimizer
At a glance
- Robin Image Optimizer has more active installs: 100K+, against fewer than 10 for PixelByline.
- On a typical day, Robin Image Optimizer is downloaded about 736 times, PixelByline about 2.
- PixelByline has no reviews yet.
- Robin Image Optimizer was updated more recently: Nov 3, 2026, against Aug 25, 2026 for PixelByline.
- Both are tested up to WordPress 7.1.4.
- Robin Image Optimizer has been around longer: since 2018, against 2026 for PixelByline.
Line by line
Robin Image Optimizer leads on 5 of 5 comparable lines.
| Metric |  PixelByline |  Robin Image Optimizer |
|---|---|---|
| Popular rank | #66,634 | #454 |
| Active installs | Fewer than 10 | 100K+ |
| Downloads, last 30 days | 70 | 42.6K |
| Rating | No ratings | 4.4(132) |
| Support threads resolved | – | 100% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.05 | ×1.27 |
| Last release | 2 months ago | 6 days ago |
| Requires PHP | 8.0 | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free