All in One SEO vs Slim SEO
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
At a glance
All in One SEO leads the WordPress.org popular list today at #21, ahead of Slim SEO at #607. Over the last 7 days All in One SEO held its place and Slim SEO climbed 5 places. All in One SEO has the largest install base, roughly 29× the next: 2M+ active installs against 70K+ for Slim SEO. Downloads this week: All in One SEO 123,737 and Slim SEO 30,031. Ratings: All in One SEO 4.7★ from 5,205 and Slim SEO 4.7★ from 136 reviews.
| Metric | All in One SEO | Slim SEO |
|---|---|---|
| Popular rank today | #21 ▬ | #607 ▲ 5 |
| Active installs | 2M+ | 70K+ |
| Downloads, last 7 days | 123,737 | 30,031 |
| Rating | 4.7★ (5,205) | 4.7★ (136) |
| Last updated | Aug 28, 2026 | Sep 7, 2026 |
| Current version | 5.0.1.1 | 4.10.1 |
| Best rank on record | #21 | #607 |
| Days in the top 50 | 49 | 0 |
| On WordPress.org since | Mar 2007 | Dec 2018 |
| Sites detected by our detector | 22 | 0 |
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, All in One SEO or Slim SEO?
By active installs, All in One SEO: 2M+ sites run it against 70K+ for Slim SEO, according to WordPress.org figures captured on September 11, 2026.
Which ranks higher on WordPress.org, All in One SEO or Slim SEO?
All in One SEO, at #21 on the WordPress.org popular plugins list today, with Slim SEO at #607. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are All in One SEO or Slim SEO alternatives to each other?
Yes. All of them are seo 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.