WordPress plugin comparison
Smart Optimizer vs xSpeed Cache
At a glance
- xSpeed Cache has more active installs: 10K+, against 10+ for Smart Optimizer.
- On a typical day, xSpeed Cache is downloaded about 1,077 times, Smart Optimizer about 2.
- Smart Optimizer has no reviews yet.
- xSpeed Cache was updated more recently: Nov 8, 2026, against May 17, 2025 for Smart Optimizer.
- xSpeed Cache is tested with a newer WordPress: 7.1.4, against 6.8.12 for Smart Optimizer.
- Smart Optimizer has been around longer: since 2025, against 2026 for xSpeed Cache.
Line by line
xSpeed Cache leads on 6 of 6 comparable lines.
| Metric |  Smart Optimizer |  xSpeed Cache |
|---|---|---|
| Popular rank | #38,967 | #1,654 |
| Active installs | 10+ | 10K+ |
| Downloads, last 30 days | 53 | 44K |
| Rating | No ratings | 5.0(24) |
| Support threads resolved | – | 100% |
| Tested up to | 6.8.12 | 7.1.4 |
| Search multiplier | ×0.05 | ×1.16 |
| Last release | 1 year ago | today |
| Requires PHP | 7.4 | 7.4 |
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
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