All in One SEO – Powerful SEO Plugin to… vs SiteSEO – SEO Simplified (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
All in One SEO – Powerful SEO Plugin to…
3.0M+ active installs
Free
SiteSEO – SEO Simplified
500K+ active installs
Free
Quick Verdict
As of April 2026, All in One SEO – Powerful SEO Plugin to… has a higher user rating (4.7/5 from 5,075 reviews) and leads in active installations (3.0M+ vs 500K+). Both are free WordPress plugins. All in One SEO – Powerful SEO Plugin to… has accumulated 200M+ total downloads while SiteSEO – SEO Simplified has 1.4M+.
Detailed Comparison
| Metric | All in One SEO – Powerful SEO Plugin to… | SiteSEO – SEO Simplified | |
|---|---|---|---|
| Rating | 4.7/5 | ◄ | 4/5 |
| Total Reviews | 5,075 | ◄ | 9 |
| Active Installs | 3.0M+ | ◄ | 500K+ |
| Total Downloads | 200M+ | ◄ | 1.4M+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 3 weeks ago | ► | 1 week ago |
| First Released | 2007 | 2023 | |
| Age | 19 years | 3 years | |
| WP Requires | 5.7+ | 5.0+ | |
| PHP Requires | 7.2+ | 7.2+ | |
| Business Model | Free | Free | |
| Latest Version | 4.9.5.1 | 1.3.7 |
Rating Breakdown
All in One SEO – Powerful SEO Plugin to…
SiteSEO – SEO Simplified
Download Trends
Over the past 30 days, All in One SEO – Powerful SEO Plugin to… averaged approximately 72,499 daily downloads while SiteSEO – SEO Simplified averaged 2,799.
Recent Reviews
All in One SEO – Powerful SEO Plugin to… Reviews
Useful but Limited
All in One SEO did help me with basic SEO work, so tnkz for that. But some parts felt less smooth than I expected, and I still had to fix things on my own. 3 star.
Een prettige SEO plugin om mee te werken
Een zeer prettige SEO plugin om mee te werken. Laat direct zien wat je kunt verbeteren en geeft ook een score. Ook de koppeling met AI voor het genereren van een meta beschrijving is erg prettig. Al m
Une aide appréciable
Je commence juste à l’utiliser mais cette extension est déjà d’une grande aide. Je me demande juste si elle est toujours bien à jour avec les cahiers des charges SEO/GEO. On verra bien au fur et à mes
SiteSEO – SEO Simplified Reviews
An interesting option
This plugin could compete with Yoast or Rank Math — but certainly not in its free version. It lacks many features that other plugins offer at no cost, such as Author Base, LLMs.txt, Redirections, or S
Awesome product
The pro version is great. Love using it for my own website. Wouldn’t use anything else 🙂
Simple tool
Great tool yet easy to use
More Meta Description Worth Comparing
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With this lightweight plugin you can add a meta description to your website.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.