WordPress plugin comparison
Seraphinite Accelerator vs Speed Optimizer
Seraphinite Accelerator
by Seraphinite Solutions
50K+ installs4.8
Speed Optimizer
by SiteGround
1M+ installs4.2
At a glance
- Speed Optimizer has more active installs: 1M+, against 50K+ for Seraphinite Accelerator.
- On a typical day, Speed Optimizer is downloaded about 5,598 times, Seraphinite Accelerator about 345.
- Seraphinite Accelerator is rated higher: 4.8 out of 5 from 477 reviews, against 4.2 from 641 reviews.
- Seraphinite Accelerator was updated more recently: Nov 9, 2026, against Nov 2, 2026 for Speed Optimizer.
- Speed Optimizer resolves more of its support threads: 57% in the last two months, against 0% for Seraphinite Accelerator.
- Both are tested up to WordPress 7.1.4.
- Speed Optimizer has been around longer: since 2014, against 2021 for Seraphinite Accelerator.
Line by line
Speed Optimizer leads on 5 of 7 comparable lines.
| Metric | Seraphinite Accelerator | Speed Optimizer |
|---|---|---|
| Popular rank | #751 | #44 |
| Active installs | 50K+ | 1M+ |
| Downloads, last 30 days | 14.8K | 3.5M |
| Rating | 4.8(477) | 4.2(641) |
| Support threads resolved | 0% | 57% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×1.04 | ×2.73 |
| Last release | today | 7 days ago |
| Requires PHP | 7.1 | 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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