WordPress plugin comparison
Image Optimizer vs WebP Express
At a glance
- Image Optimizer has more active installs: 1M+, against 300K+ for WebP Express.
- On a typical day, Image Optimizer is downloaded about 5,796 times, WebP Express about 2,753.
- WebP Express is rated higher: 4.4 out of 5 from 162 reviews, against 1.7 from 81 reviews.
- WebP Express was updated more recently: Oct 18, 2026, against Sep 22, 2026 for Image Optimizer.
- Image Optimizer resolves more of its support threads: 100% in the last two months, against 0% for WebP Express.
- Image Optimizer is tested with a newer WordPress: 7.0.8, against 6.9.11 for WebP Express.
- WebP Express has been around longer: since 2018, against 2024 for Image Optimizer.
Line by line
Image Optimizer leads on 6 of 8 comparable lines.
| Metric |  Image Optimizer |  WebP Express |
|---|---|---|
| Popular rank | #58 | #167 |
| Active installs | 1M+ | 300K+ |
| Downloads, last 30 days | 174.1K | 158.1K |
| Rating | 1.7(81) | 4.4(162) |
| Support threads resolved | 100% | 0% |
| Tested up to | 7.0.8 | 6.9.11 |
| Search multiplier | ×1.28 | ×1.12 |
| Last release | 1 month ago | 21 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.
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