# LiteSpeed Cache vs Output Optimizer

> LiteSpeed Cache vs Output Optimizer compared on installs, downloads, ratings, updates, compatibility and support. LiteSpeed Cache comes out ahead, winning 6 of 7 head-to-head checks against Output Optimizer.

**LiteSpeed Cache comes out ahead, winning 6 of 7 head-to-head checks against Output Optimizer.** Choose LiteSpeed Cache if you care most about active installs, downloads (30 days) and reviews. Choose Output Optimizer if you care most about download trend.

| | LiteSpeed Cache | Output Optimizer |
|---|---|---|
| Active installs | 7M+ ✅ | 10+ |
| Downloads (30 days) | 909.9K ✅ | 46 |
| Download trend | -63.7% | +64.3% ✅ |
| Rating | 4.8/5 | — |
| Reviews | 2,776 ✅ | 0 |
| Health score | 88/100 ✅ | 23/100 |
| Last updated | 1 month ago ✅ | 14 years ago |
| Tested up to | WP 7.1.3 ✅ | WP 3.4.2 |
| Support resolved | 53% | — |
| Requires PHP | 7.4+ | Any |
| First released | Jan 2016 | Feb 2012 |

## Frequently asked questions

### Which is better, LiteSpeed Cache or Output Optimizer?
LiteSpeed Cache comes out ahead, winning 6 of 7 head-to-head checks against Output Optimizer. Choose LiteSpeed Cache if you care most about active installs, downloads (30 days) and reviews. Choose Output Optimizer if you care most about download trend.

### Is LiteSpeed Cache more popular than Output Optimizer?
LiteSpeed Cache is the more popular of the two with 7M+ active installs, compared with 10+ for Output Optimizer.

### Can I use LiteSpeed Cache and Output Optimizer 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 LiteSpeed Cache and Output Optimizer 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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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/litespeed-cache-vs-output-optimizer/ · Generated 2026-10-10 04:42 UTC by PageForge