I need to know if nofollow backlinks are useful or they are totally useless in terms of increasing PageRank, rankings and seo in general? I know that only dofollow backlinks are the ones that Google users on it's PageRank calculating algorithm however in my Google webmasters tools account I see backlinks I am sure are nofollow how do you explain that?
And the most important question is: do nofollow links in some ways help improving seo?
And the most important question is: do nofollow links in some ways help improving seo?