WordPress plugin comparison
ShasTech SEO Synergy vs Yoast SEO
At a glance
- Yoast SEO has more active installs: 10M+, against fewer than 10 for ShasTech SEO Synergy.
- On a typical day, Yoast SEO is downloaded about 120,961 times, ShasTech SEO Synergy about 7.
- ShasTech SEO Synergy has no reviews yet.
- ShasTech SEO Synergy was updated more recently: Nov 1, 2026, against Oct 27, 2026 for Yoast SEO.
- Both are tested up to WordPress 7.1.4.
- Yoast SEO has been around longer: since 2010, against 2026 for ShasTech SEO Synergy.
Line by line
Yoast SEO leads on 4 of 5 comparable lines.
| Metric |  ShasTech SEO Synergy |  Yoast SEO |
|---|---|---|
| Popular rank | #70,324 | #2 |
| Active installs | Fewer than 10 | 10M+ |
| Downloads, last 30 days | 173 | 11.1M |
| Rating | No ratings | 4.8(27.8K) |
| Support threads resolved | – | 93% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.05 | ×7.96 |
| Last release | 9 days ago | 14 days ago |
| Requires PHP | 7.4 | 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
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free