TheRealURL 0.6.1-signed.1-signed Requires Restart
by Nir Yariv
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
About this Add-on
To use, right-click over the link and select "Get TheRealURL" from the menu. This will query TheRealURL and display information about the link in the browser's status bar, including the unshortened URL, the page title and content type. You can configure the data displayed using the add on's preferences menu.