CallingID Link Advisor is an extension that verifies the links you see in Firefox.
CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the site before visiting it. If the site is assessed as high risk or its owner is located in a problematic country, you will be notified and advised to ignore the link.
