WordPress plugin comparison
Relevant Density Optimizer (RDO) vs Yoast SEO
Relevant Density Optimizer (RDO)
by Constantin Oesterling
Fewer than 10 installs
Yoast SEO
by Yoast
10M+ installs4.8
At a glance
- Yoast SEO has more active installs: 10M+, against fewer than 10 for Relevant Density Optimizer (RDO).
- On a typical day, Yoast SEO is downloaded about 128,375 times, Relevant Density Optimizer (RDO) about 2.
- Relevant Density Optimizer (RDO) has no reviews yet.
- Yoast SEO was updated more recently: Oct 27, 2026, against Apr 17, 2025 for Relevant Density Optimizer (RDO).
- Yoast SEO is tested with a newer WordPress: 7.1.4, against 6.8.12 for Relevant Density Optimizer (RDO).
- Yoast SEO has been around longer: since 2010, against 2025 for Relevant Density Optimizer (RDO).
Line by line
Yoast SEO leads on 6 of 6 comparable lines.
| Metric | Relevant Density Optimizer (RDO) | Yoast SEO |
|---|---|---|
| Popular rank | #73,875 | #2 |
| Active installs | Fewer than 10 | 10M+ |
| Downloads, last 30 days | 37 | 11.1M |
| Rating | No ratings | 4.8(27.8K) |
| Support threads resolved | – | 98% |
| Tested up to | 6.8.12 | 7.1.4 |
| Search multiplier | ×0.02 | ×8.02 |
| Last release | 1 year ago | 13 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.
Tags they share
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