WordPress plugin comparison
Convert Images to WebP on Upload vs Speed Optimizer
Convert Images to WebP on Upload
by Daniel Esparza
20+ installs
Speed Optimizer
by SiteGround
1M+ installs4.2
At a glance
- Speed Optimizer has more active installs: 1M+, against 20+ for Convert Images to WebP on Upload.
- On a typical day, Speed Optimizer is downloaded about 5,525 times, Convert Images to WebP on Upload about 3.
- Convert Images to WebP on Upload has no reviews yet.
- Convert Images to WebP on Upload was updated more recently: Nov 5, 2026, against Nov 2, 2026 for Speed Optimizer.
- Both are tested up to WordPress 7.1.4.
- Speed Optimizer has been around longer: since 2014, against 2025 for Convert Images to WebP on Upload.
Line by line
Speed Optimizer leads on 4 of 5 comparable lines.
| Metric | Convert Images to WebP on Upload | Speed Optimizer |
|---|---|---|
| Popular rank | #26,730 | #44 |
| Active installs | 20+ | 1M+ |
| Downloads, last 30 days | 55 | 3.5M |
| Rating | No ratings | 4.2(641) |
| Support threads resolved | – | 57% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.17 | ×2.73 |
| Last release | 5 days ago | 8 days ago |
| Requires PHP | 7.2 | 7.0 |
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
- Convert Images to WebP on Upload vs WebP Express
- Convert Images to WebP on Upload vs Modern Image Formats
- Convert Images to WebP on Upload vs Image Prioritizer
- Convert Images to WebP on Upload vs Auto Upload Images
- Speed Optimizer vs Cachify
- Speed Optimizer vs LiteSpeed Cache
- Speed Optimizer vs WP Super Cache
- Speed Optimizer vs W3 Total Cache
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