Tool Time Friday | Sit down, shut up, and read this!

SEO Profesional Toolbar offers many SEO-related tools in one place. Display PageRank, S-Rank and the number of  backlinks  for visited pages. Stores the history of ranks for selected sites. Highlight words, links, view number of words and more.

History of ranks and back-links is stored in a database, therefore you may watch how your pages evolve in time. All equipped with beautiful colorful charts. You can view observed domains in the sidebar and check their ranks without even visiting them.

The extension also includes a customizable list of handy SEO-related links.

All this is packed together with a search tool for enumerating and highlighting words, and different types of links.

Well worth the time.