LiteSpeed Cache vs Speed Optimizer
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
At a glance
LiteSpeed Cache leads the WordPress.org popular list today at #5, ahead of Speed Optimizer at #43. LiteSpeed Cache has the largest install base, roughly 7× the next: 7M+ active installs against 1M+ for Speed Optimizer. Downloads this week: LiteSpeed Cache 330,431 and Speed Optimizer 53,811. Ratings: LiteSpeed Cache 4.8★ from 2,770 and Speed Optimizer 4.2★ from 640 reviews.
| Metric | LiteSpeed Cache | Speed Optimizer |
|---|---|---|
| Popular rank today | #5 ▬ | #43 ▬ |
| Active installs | 7M+ | 1M+ |
| Downloads, last 7 days | 330,431 | 53,811 |
| Rating | 4.8★ (2,770) | 4.2★ (640) |
| Last updated | Sep 1, 2026 | Aug 25, 2026 |
| Current version | 7.9.1 | 7.8.2 |
| Best rank on record | #5 | #43 |
| Days in the top 50 | 52 | 52 |
| On WordPress.org since | Jan 2016 | Nov 2014 |
| Sites detected by our detector | 79 | 4 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
Frequently asked questions
Which is more popular, LiteSpeed Cache or Speed Optimizer?
By active installs, LiteSpeed Cache: 7M+ sites run it against 1M+ for Speed Optimizer, according to WordPress.org figures captured on September 14, 2026.
Which ranks higher on WordPress.org, LiteSpeed Cache or Speed Optimizer?
LiteSpeed Cache, at #5 on the WordPress.org popular plugins list today, with Speed Optimizer at #43. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are LiteSpeed Cache or Speed Optimizer alternatives to each other?
Yes. All of them are caching & performance plugins, so a site would normally run one of them. The figures above show which one more WordPress sites choose and how that has changed over time.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.