SEO Site Tools is an extension for Google chrome. SEO Site Tools pulls PageRank, domain links and rank metrics, aggregates social media reactions from Twitter, Facebook, Digg and SEO related tags. Validates CSS and HTML, displays server software, checks for gzip compression, page headers and shares even more on-page suggestions based on accepted SEO knowledge.
What's new in version 2.91
ReleaseNovember 21, 2011
Date AddedNovember 16, 2011
Operating SystemsWindows 2003, Windows 2000, Windows Vista, Windows 98, Windows Me, Windows, Windows NT, Windows 7, Windows XP