Open SEO Stats is a free Chrome extension developed by OpenAdminTools.com. This add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. Formerly known as PageRank Status, Open SEO Stats is designed to provide users with easy access to the SEO statistics of the current web page.

With Open SEO Stats, users can quickly view web rank and SEO stats such as traffic statistics and graphs from Alexa Traffic Rank and Compete Rank. The extension also displays cached versions of the web page from Archive.org and Google, allowing users to track changes over time.

Furthermore, Open SEO Stats provides information on the number of pages indexed in search engines such as Ask, Baidu, Bing, Goo, Google, Sogou, Soso, Yahoo, Yandex, and 360. Users can also access backlink data from Alexa, Google, Open Site Explorer, and Sogou.

Overall, Open SEO Stats is a comprehensive SEO extension for Google Chrome that offers users valuable insights into the SEO performance of web pages. It is a useful tool for website owners, marketers, and SEO professionals.