WordPress plugin comparison
CSS Optimizer vs Speed Optimizer
At a glance
- Speed Optimizer has more active installs: 1M+, against 100+ for CSS Optimizer.
- On a typical day, Speed Optimizer is downloaded about 5,598 times, CSS Optimizer about 4.
- Speed Optimizer is rated higher: 4.2 out of 5 from 641 reviews, against 3.7 from 6 reviews.
- Speed Optimizer was updated more recently: Nov 2, 2026, against Mar 16, 2022 for CSS Optimizer.
- Speed Optimizer is tested with a newer WordPress: 7.1.4, against 5.9.20 for CSS Optimizer.
- Speed Optimizer has been around longer: since 2014, against 2021 for CSS Optimizer.
Line by line
Speed Optimizer leads on 7 of 7 comparable lines.
| Metric |  CSS Optimizer |  Speed Optimizer |
|---|---|---|
| Popular rank | #16,570 | #44 |
| Active installs | 100+ | 1M+ |
| Downloads, last 30 days | 79 | 3.5M |
| Rating | 3.7(6) | 4.2(641) |
| Support threads resolved | – | 57% |
| Tested up to | 5.9.20 | 7.1.4 |
| Search multiplier | ×0.00 | ×2.73 |
| Last release | 4 years ago | 7 days ago |
| Requires PHP | 5.1 | 7.0 |
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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