WordPress plugin comparison
Opti Ninja Image Optimizer vs SlashImage
At a glance
- SlashImage has more active installs: 90+, against 20+ for Opti Ninja Image Optimizer.
- On a typical day, SlashImage is downloaded about 6 times, Opti Ninja Image Optimizer about 3.
- Opti Ninja Image Optimizer has no reviews yet.
- SlashImage was updated more recently: Sep 28, 2026, against Sep 25, 2026 for Opti Ninja Image Optimizer.
- Both are tested up to WordPress 7.1.4.
Line by line
SlashImage leads on 5 of 5 comparable lines.
| Metric |  Opti Ninja Image Optimizer |  SlashImage |
|---|---|---|
| Popular rank | #26,534 | #16,939 |
| Active installs | 20+ | 90+ |
| Downloads, last 30 days | 96 | 173 |
| Rating | No ratings | 5.0(1) |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.17 | ×0.38 |
| Last release | 1 month ago | 1 month 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
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