With Google’s Panda and Penguin updates fresh in mind a lot of people are focussed at knowing how Google thinks about links, so if Matt Cutts starts talking about site-wide backlinks, we will listen. In this webmaster video Cutts answers the question “How does Google consider site-wide backlinks? Are sitewide backlinks considered good or bad by Google? Or do they just count as 1 link from the whole domain?”
[youtube=http://www.youtube.com/watch?v=mTjN9x-by-I&w=600&h=340]