WordPress plugin comparison
Nix Image Optimizer vs WebP Express
At a glance
- WebP Express has more active installs: 300K+, against 10+ for Nix Image Optimizer.
- On a typical day, WebP Express is downloaded about 2,572 times, Nix Image Optimizer about 4.
- Nix Image Optimizer is rated higher: 5.0 out of 5 from 1 review, against 4.4 from 163 reviews.
- Nix Image Optimizer was updated more recently: Oct 28, 2026, against Oct 18, 2026 for WebP Express.
- Nix Image Optimizer is tested with a newer WordPress: 7.1.4, against 6.9.11 for WebP Express.
- WebP Express has been around longer: since 2018, against 2026 for Nix Image Optimizer.
Line by line
WebP Express leads on 4 of 7 comparable lines.
| Metric |  Nix Image Optimizer |  WebP Express |
|---|---|---|
| Popular rank | #34,764 | #167 |
| Active installs | 10+ | 300K+ |
| Downloads, last 30 days | 129 | 161K |
| Rating | 5.0(1) | 4.4(163) |
| Support threads resolved | – | 0% |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×0.19 | ×1.12 |
| Last release | 12 days ago | 22 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.
Tags they share
More comparisons
- Nix Image Optimizer vs Modern Image Formats
- Nix Image Optimizer vs Optimus
- Nix Image Optimizer vs FSM Custom Featured Image Caption
- Nix Image Optimizer vs Require Featured Image
- WebP Express vs Modern Image Formats
- WebP Express vs Image Placeholders
- WebP Express vs Enhanced Responsive Images
- WebP Express vs Optimus
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