WordPress plugin comparison
Speed Optimizer vs Shift8 CDN
At a glance
- Speed Optimizer has more active installs: 1M+, against 500+ for Shift8 CDN.
- On a typical day, Speed Optimizer is downloaded about 5,598 times, Shift8 CDN about 9.
- Shift8 CDN is rated higher: 4.4 out of 5 from 40 reviews, against 4.2 from 641 reviews.
- Speed Optimizer was updated more recently: Nov 2, 2026, against Feb 10, 2026 for Shift8 CDN.
- Speed Optimizer is tested with a newer WordPress: 7.1.4, against 6.9.11 for Shift8 CDN.
- Speed Optimizer has been around longer: since 2014, against 2019 for Shift8 CDN.
Line by line
Speed Optimizer leads on 6 of 7 comparable lines.
| Metric |  Speed Optimizer |  Shift8 CDN |
|---|---|---|
| Popular rank | #44 | #9,021 |
| Active installs | 1M+ | 500+ |
| Downloads, last 30 days | 3.5M | 190 |
| Rating | 4.2(641) | 4.4(40) |
| Support threads resolved | 57% | – |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×2.73 | ×0.39 |
| Last release | 7 days ago | 9 months ago |
| Requires PHP | 7.0 | 7.4 |
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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