Varvy is a website that offers a set of free SEO tools and resources designed to help webmasters and digital marketers analyze and optimize their websites for better performance in search engine rankings. The site provides tools that check various aspects of a website, including technical SEO, mobile friendliness, and accessibility, as well as adherence to Google's webmaster guidelines. Varvy also offers educational content and tutorials to help users understand SEO fundamentals and improve their online presence.