LiteSpeed Cache vs Slim SEO (September 2026)
Updated September 7, 2026 · Data from WordPress.org, refreshed daily · How this works
Both rank in the WordPress.org SEO Plugins top 10: LiteSpeed Cache at #4 and Slim SEO at #8. LiteSpeed Cache leads on all 5 measures we track. Every number below comes straight from WordPress.org and is refreshed every day.
LiteSpeed Cache
All-in-one unbeatable acceleration & PageSpeed improvement: caching, image/CSS/JS optimization...
Slim SEO
Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated
An AI SEO plugin for WordPress that's lightweight and fast. Automatically generates meta tags, sitemaps, schemas and more with no bloat.
Who leads on what
LiteSpeed Cache leads on all 5 measures we track.
LiteSpeed Cache ranks higher on WordPress.org: #4 against #8 in SEO Plugins.
LiteSpeed Cache has more users: 7 million+ active installs against 70,000+.
LiteSpeed Cache is rated higher: 4.8 out of 5 from 2,770 reviews, against 4.7 from 136 reviews.
LiteSpeed Cache has more reviews behind its score: 2,770 against 136.
LiteSpeed Cache was updated more recently, on September 1, 2026; Slim SEO on August 24, 2026.
Which one to pick
Each plugin is the better answer for the measure it actually leads on. Nothing here is a recommendation we invented.
LiteSpeed Cache
Pick LiteSpeed Cache if you go by where WordPress.org itself puts them, you want the plugin more sites already run, the review score matters most to you, you want the score backed by more reviews or you want the one shipping releases most recently.
Slim SEO
Slim SEO does not lead on any measure we track, so pick it only for something these numbers cannot show, such as a feature you need.
LiteSpeed Cache vs Slim SEO side by side
| LiteSpeed Cache | Slim SEO | |
|---|---|---|
| SEO Plugins ranking | #4 | #8 |
| Rating | 4.8 | 4.7 |
| Reviews | 2,770 | 136 |
| Active installs | 7 million+ | 70,000+ |
| Total downloads | 137,398,682 | 2,133,444 |
| Downloads, last 30 days | – | – |
| Last updated | Sep 1, 2026 | Aug 24, 2026 |
| First published | Jan 29, 2016 | Dec 31, 2018 |
| Tested up to WordPress | 7.1 | 7.1 |
| Requires PHP | 7.4 | 7.4 |
| Pricing | Free on WordPress.org | Free on WordPress.org |
30-day download figures appear after both plugins have 30 days of tracking.
LiteSpeed Cache ratings
Slim SEO ratings
How we compare these two
Every figure here is pulled from the WordPress.org plugin API every day at 03:00 UTC, for both plugins in the same run, so the two are always read on the same day. We compare only what the directory reports: active installs, the rating and how many reviews stand behind it, the last release date and, once we have a month of history, downloads over the last 30 days. Ratings are only called a win above 50 reviews each, because a handful of five-star reviews is not evidence. Nothing is weighted into an overall score, no measure is worth more than another, and neither LiteSpeed Cache nor Slim SEO can pay to appear here: the pair exists only because both plugins reached the SEO Plugins top 10. Full methodology.
LiteSpeed Cache vs Slim SEO: common questions
Is LiteSpeed Cache better than Slim SEO?
LiteSpeed Cache leads on all 5 measures we track. Neither is better at everything, and the answer depends on which measure you weigh. LiteSpeed Cache ranks higher on WordPress.org: #4 against #8 in SEO Plugins.
Which has more users, LiteSpeed Cache or Slim SEO?
LiteSpeed Cache ranks higher on WordPress.org: #4 against #8 in SEO Plugins.
Which is rated higher, LiteSpeed Cache or Slim SEO?
LiteSpeed Cache has more users: 7 million+ active installs against 70,000+.
Are LiteSpeed Cache and Slim SEO free?
Both are free to install from WordPress.org. LiteSpeed Cache may also sell a paid version or add-ons. Slim SEO may also sell a paid version or add-ons.
Alternatives to LiteSpeed Cache and Slim SEO
Plugins that score close to both in the same WordPress.org rankings and tags.
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