WordPress plugin comparison
Image Optimizer PRO vs SlashImage
At a glance
- Image Optimizer PRO has more active installs: 100+, against 90+ for SlashImage.
- Image Optimizer PRO has no reviews yet.
- SlashImage was updated more recently: Sep 28, 2026, against Aug 19, 2026 for Image Optimizer PRO.
- Both are tested up to WordPress 7.1.4.
- Image Optimizer PRO has been around longer: since 2023, against 2026 for SlashImage.
Line by line
Image Optimizer PRO leads on 3 of 5 comparable lines.
| Metric |  Image Optimizer PRO |  SlashImage |
|---|---|---|
| Popular rank | #13,531 | #16,939 |
| Active installs | 100+ | 90+ |
| Downloads, last 30 days | 166 | 161 |
| Rating | No ratings | 5.0(1) |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.28 | ×0.38 |
| Last release | 2 months ago | 1 month ago |
| Requires PHP | 7.2.5 | 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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