SEO CENTER Extension by SEO CENTER is a comprehensive SEO checker designed for Chrome. It offers a range of features to assist in managing and optimizing SEO efforts effectively. The extension provides checks for on-page elements such as word count, headings, alt text, image sizes, internal and external links, and more.

The key features include the ability to check meta data like title length, description length, language, site name, robots tag, URL, canonical URL, as well as easy access to robots.txt and sitemap in just one click. Additionally, users can examine headers (H1 to H6) on a page, copy headings quickly, review image attributes like alt text and size, and analyze internal and external links with detailed statistics.