Yoast SEO is a free-to-use search engine optimization tool available as a plugin for WordPress. This tool is designed to make SEO more manageable and effective for website owners. It offers a load of tools and features to boost your SEO efforts, driving better results in less time. Yoast SEO helps your site perform better on search engines like Google, optimizes your content for credibility and readability, and influences the SEO of your overall website from improved rankings and traffic.