Link Checker is a Firefox extension especially useful for SEO guys. You just need to tell your website name to this addon and it'll highlight your links on all other websites. NoFollow links are highlighted in Red and DoFollow links are highlighted in Green.
Product's homepage
Requirements:
· Mozilla Firefox
What's New in This Release: [ read full changelog ]
· Added functionality to scroll to the first highlighted link. (Thanks to my SEO friend Shraddha for this one).
· Added border to the highlighted links.
· Dull button icon for inactive state and bright icon for active state.
· Fixed a bug.
· Instead of using location.hash to scroll, now it uses element coordinates.
· Made changes as per Georg's suggestions and recommendations
· Prefixed default preferences with "extensions."
· Removed unnecessary files.
· Explicitly declared all variables.
· Added removeEventListener to remove event listeners when these are no more needed.