Head-to-head · October 2026
Output Optimizer vs WP Fastest Cache
WP Fastest Cache comes out ahead, winning 6 of 7 head-to-head checks against Output Optimizer.
Output Optimizer
Removes line-breaks, tabs, double space, html comments and wordpress head-data from html output.
WP Fastest Cache
You can find more information on our website (wpfastestcache.com)
| Metric | Output Optimizer | WP Fastest Cache |
|---|---|---|
| Active installs | 10+ | 1M+ |
| Downloads (30 days) | 46 | 725.6K |
| Download trend | +64.3% | -5.7% |
| Rating | — | 4.9/5 |
| Reviews | 0 | 4,225 |
| Health score | 23/100 | 86/100 |
| Last updated | 14 years ago | 4 weeks ago |
| Tested up to | WP 3.4.2 | WP 7.1.3 |
| Support resolved | — | 23% |
| Requires PHP | Any | Any |
| First released | Feb 2012 | Aug 2013 |
Daily downloads, last 90 days
Output OptimizerWP Fastest Cache
Choose Output Optimizer if…
You care most about download trend.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 13 years
- Only tested up to WordPress 3.4 (latest is 7.1)
Choose WP Fastest Cache if…
You care most about active installs, downloads (30 days) and reviews.
- One of the most-used plugins on the web — 1M+ active sites
- Loved by users — 4.9/5 from 4,225 reviews
- Actively developed — last update 4 weeks ago
- Tested with the latest WordPress (7.1)
- Slow support — only 23% of recent threads resolved
Both compete in: Optimize
FAQ
Output Optimizer vs WP Fastest Cache: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 10, 2026
Which is better, Output Optimizer or WP Fastest Cache?
WP Fastest Cache comes out ahead, winning 6 of 7 head-to-head checks against Output Optimizer. Choose Output Optimizer if you care most about download trend. Choose WP Fastest Cache if you care most about active installs, downloads (30 days) and reviews.
Is Output Optimizer more popular than WP Fastest Cache?
WP Fastest Cache is the more popular of the two with 1M+ active installs, compared with 10+ for Output Optimizer.
Can I use Output Optimizer and WP Fastest Cache together?
Both plugins cover Optimize, 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 Output Optimizer and WP Fastest Cache 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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