WordPress plugin comparison
Speed Optimizer vs WP-PJAX
At a glance
- Speed Optimizer has more active installs: 1M+, against 10+ for WP-PJAX.
- On a typical day, Speed Optimizer is downloaded about 5,525 times, WP-PJAX about 1.
- Speed Optimizer is rated higher: 4.2 out of 5 from 641 reviews, against 4.0 from 4 reviews.
- Speed Optimizer was updated more recently: Nov 2, 2026, against Apr 2, 2013 for WP-PJAX.
- Speed Optimizer is tested with a newer WordPress: 7.1.4, against 3.5.2 for WP-PJAX.
- WP-PJAX has been around longer: since 2013, against 2014 for Speed Optimizer.
Line by line
Speed Optimizer leads on 7 of 7 comparable lines.
| Metric |  Speed Optimizer |  WP-PJAX |
|---|---|---|
| Popular rank | #44 | #36,396 |
| Active installs | 1M+ | 10+ |
| Downloads, last 30 days | 3.5M | 31 |
| Rating | 4.2(641) | 4.0(4) |
| Support threads resolved | 57% | – |
| Tested up to | 7.1.4 | 3.5.2 |
| Search multiplier | ×2.73 | ×0.00 |
| Last release | 7 days ago | 13 years ago |
| Requires PHP | 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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