WordPress plugin comparison
Deep Semantic HTML Checker vs Slim SEO
At a glance
- Slim SEO has more active installs: 70K+, against fewer than 10 for Deep Semantic HTML Checker.
- On a typical day, Slim SEO is downloaded about 1,322 times, Deep Semantic HTML Checker about 5.
- Deep Semantic HTML Checker has no reviews yet.
- Slim SEO was updated more recently: Nov 5, 2026, against Dec 5, 2025 for Deep Semantic HTML Checker.
- Slim SEO is tested with a newer WordPress: 7.1.4, against 6.4.14 for Deep Semantic HTML Checker.
- Slim SEO has been around longer: since 2018, against 2025 for Deep Semantic HTML Checker.
Line by line
Slim SEO leads on 6 of 6 comparable lines.
| Metric |  Deep Semantic HTML Checker |  Slim SEO |
|---|---|---|
| Popular rank | #67,943 | #579 |
| Active installs | Fewer than 10 | 70K+ |
| Downloads, last 30 days | 121 | 137.8K |
| Rating | No ratings | 4.7(136) |
| Support threads resolved | – | 40% |
| Tested up to | 6.4.14 | 7.1.4 |
| Search multiplier | ×0.02 | ×1.42 |
| Last release | 11 months ago | 5 days ago |
| Requires PHP | 7.2 | 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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