Changes With NOFOLLOW tag
Ambiguous Role of the NoFollow Tag
5 December 2011 Update: In a recent Live Q&A session Matt Cutts states that they generally don’t follow the nofollow links. This is confusing as we all know that they do, at least for document discovery if not for passing PageRank. The question is did Matt Cutts mean the latter, or has something changed at Google and nofollow links are truly not followed by bots anymore?
NoFollow tag and PageRank Sculpting
4 June 2009 “…Matt Cutts dropped a bomb shell that it no longer works to help flow more PageRank to the unblocked pages.” via SELands/ SEOMoz If your SEO placed a nofollow tag on all your low relevance pages simply to gain better link juice in order to rank higher – this won’t work anymore according to the statement Matt Cutts made at SMX yesterday.