by kap735 » Sat Dec 22, 2012 6:20 am
Every webmaster has the power to either include nofollow or dofollow link attributes each time a link is put on his/her website. The reason that nofollow links exist in the first place: spammers. It was tough for spammers to get links in the copy of an article because that involves hacking into the website, but putting spammy links in the comments of an article was simple. For this reason, Google created nofollow links so that Google bots would not follow and “count” these spammy links.