[As of December 1st, 2010] both Bing and Google have confirmed (via
an excellent interview by Danny Sullivan) that links shared through Twitter and Facebook have a direct impact on rankings (in addition to the positive second-order effects they may have on the link graph).
This has long been suspected by SEOs (in fact, many of us posited it was happening as of November of last year following
Google + Bing’s announcements of partnerships with Twitter), but getting this official confirmation is a substantive step forward.
In addition to that revelation, another piece of critical data came via yesterday’s announcement:
Danny Sullivan: If an article is retweeted or referenced much in Twitter, do you count that as a signal outside of finding any non-nofollowed links that may naturally result from it?
Read more at the source: Randfish
