Yoast SEO
The WordPress SEO plugin. Most-installed SEO tool in existence, with AI features in recent versions.
Visit yoast.com ↗External link. Not endorsed — curated for usefulness.
What is Yoast SEO?
Yoast SEO is a WordPress plugin that provides on-page and technical search engine optimization tools, developed by Yoast. With over 13 million active installations, it is the most widely adopted SEO plugin for WordPress sites. The free version includes basic functionality like readability analysis, keyword optimization, XML sitemap generation, and meta description templates. Premium versions add real-time SEO guidance, AI-powered content suggestions for titles and meta descriptions, internal linking recommendations, and automatic redirect management.
The plugin integrates directly into the WordPress editor, providing immediate feedback on content SEO health as users write. It handles technical SEO automatically by generating structured data markup, managing XML sitemaps, and implementing canonical tags. The platform supports multiple product lines: Yoast SEO Premium for general WordPress sites ($118.80/year), Yoast WooCommerce SEO for product catalogs ($178.80/year), Yoast SEO for Shopify ($19/30 days), and Yoast SEO AI+ ($358.80/year), which adds brand monitoring across AI platforms including ChatGPT, Gemini, and Perplexity. A Google Docs add-on allows content optimization before publication to WordPress.
Recent versions include AI capabilities that generate optimized content suggestions, reducing manual SEO work. The tool is available in 27 languages and serves entrepreneurs, agencies, eCommerce teams, and content publishers. Yoast provides support through its Academy training platform (beginner to advanced courses), comprehensive documentation, live webinars, a developer blog, and 24/7 support for premium customers. The plugin receives regular updates to align with Google's algorithm changes and SEO best practices.
Competitive alternatives include Rank Math, All in One SEO, and SEMrush's WordPress integration, though Yoast maintains the largest market share for WordPress-specific SEO solutions.