SEO Toolbar by SEOmoz

The SEO Toolbar from SEOmoz gives you quick access to many on-page SEO factors, a SERP overlay, Domain & Page Authority, surf like a search engine, nofollow toggle and many more features. SEO Toolbar Highlights - New metrics - Page Authority and Domain Authority.- An analyze Page overlay, exposing metrics and page elements.- A new SERP overlay with detailed Link metrics.- Easily disable JavaScript and set your user agent.- Simple highlighting of nofollowed links.- Quick access to powerful tools. Quick Access to Linkscape Metrics - Page Authority and Domain Authority.- mozRank