WordPress plugin comparison
CSS Optimizer vs Simple CSS
At a glance
- Simple CSS has more active installs: 80K+, against 100+ for CSS Optimizer.
- On a typical day, Simple CSS is downloaded about 74 times, CSS Optimizer about 4.
- Simple CSS is rated higher: 4.9 out of 5 from 60 reviews, against 3.7 from 6 reviews.
- Simple CSS was updated more recently: Sep 15, 2025, against Mar 16, 2022 for CSS Optimizer.
- Simple CSS is tested with a newer WordPress: 6.8.12, against 5.9.20 for CSS Optimizer.
- Simple CSS has been around longer: since 2015, against 2021 for CSS Optimizer.
Line by line
Simple CSS leads on 7 of 7 comparable lines.
| Metric |  CSS Optimizer |  Simple CSS |
|---|---|---|
| Popular rank | #16,570 | #544 |
| Active installs | 100+ | 80K+ |
| Downloads, last 30 days | 79 | 2.1K |
| Rating | 3.7(6) | 4.9(60) |
| Support threads resolved | – | – |
| Tested up to | 5.9.20 | 6.8.12 |
| Search multiplier | ×0.00 | ×0.54 |
| Last release | 4 years ago | 1 year ago |
| Requires PHP | 5.1 | – |
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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