Head-to-head · October 2026
WP-Optimize vs WP-PJAX
WP-Optimize comes out ahead, winning 7 of 7 head-to-head checks against WP-PJAX.
WP-Optimize
MORE THAN A CACHING PLUGIN WP-Optimize is trusted by more than 1 million WordPress website owners to boost…
WP-PJAX
The plugin is under development. Please try it and contact me if you encounter any bugs or have any questions…
| Metric | WP-Optimize | WP-PJAX |
|---|---|---|
| Active installs | 1M+ | 10+ |
| Downloads (30 days) | 766.8K | 41 |
| Download trend | +266% | -19.6% |
| Rating | 4.8/5 | 4/5 |
| Reviews | 2,616 | 4 |
| Health score | 89/100 | 27/100 |
| Last updated | 4 weeks ago | 14 years ago |
| Tested up to | WP 7.1.3 | WP 3.5.2 |
| Support resolved | 46% | — |
| Requires PHP | 7.2+ | Any |
| First released | Jan 2009 | Mar 2013 |
Daily downloads, last 90 days
WP-OptimizeWP-PJAX
Choose WP-Optimize if…
You care most about active installs, downloads (30 days) and download trend.
- One of the most-used plugins on the web — 1M+ active sites
- Loved by users — 4.8/5 from 2,616 reviews
- Actively developed — last update 4 weeks ago
- Tested with the latest WordPress (7.1)
- Momentum — downloads up 266% vs the previous 30 days
Choose WP-PJAX if…
You prefer its feature set and workflow — it holds its own on the fundamentals.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 13 years
- Only tested up to WordPress 3.5 (latest is 7.1)
Both compete in: cache
FAQ
WP-Optimize vs WP-PJAX: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 18, 2026
Which is better, WP-Optimize or WP-PJAX?
WP-Optimize comes out ahead, winning 7 of 7 head-to-head checks against WP-PJAX. Choose WP-Optimize if you care most about active installs, downloads (30 days) and download trend.
Is WP-Optimize more popular than WP-PJAX?
WP-Optimize is the more popular of the two with 1M+ active installs, compared with 10+ for WP-PJAX.
Can I use WP-Optimize and WP-PJAX together?
Both plugins cover cache, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are WP-Optimize and WP-PJAX free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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