The Ultimate Browsing Tool
 
  • Visited

    Tells you when you visited a link before, what pages you accessed on that site, and allows you to remove the whole site from your Firefox history.

    (The Firefox default for site history is 90 days. You can change this number in Firefox Tools>Option>Privacy.)
    Visited - Tells you when you last visited a page.
    Unvisited - Can mean you have never visited a page before, or that it was removed from your Firefox history.