WordPress plugin comparison
Schema Ninja vs Slim SEO
At a glance
- Slim SEO has more active installs: 70K+, against 10+ for Schema Ninja.
- On a typical day, Slim SEO is downloaded about 1,322 times, Schema Ninja about 1.
- Slim SEO is rated higher: 4.7 out of 5 from 136 reviews, against 4.2 from 12 reviews.
- Slim SEO was updated more recently: Nov 5, 2026, against Sep 15, 2020 for Schema Ninja.
- Slim SEO is tested with a newer WordPress: 7.1.4, against 5.4.25 for Schema Ninja.
- Schema Ninja has been around longer: since 2016, against 2018 for Slim SEO.
Line by line
Slim SEO leads on 7 of 7 comparable lines.
| Metric |  Schema Ninja |  Slim SEO |
|---|---|---|
| Popular rank | #45,596 | #579 |
| Active installs | 10+ | 70K+ |
| Downloads, last 30 days | 41 | 137.8K |
| Rating | 4.2(12) | 4.7(136) |
| Support threads resolved | – | 40% |
| Tested up to | 5.4.25 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.42 |
| Last release | 6 years ago | 5 days ago |
| Requires PHP | – | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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