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If you have been trying to learn SEO (Search Engine Optimization) for some time chances are you have heard about dofollow and nofollow links. But what are they anyway, and how do you find out if a link is dofollow or nofollow? And how does this affect your sites search engine rankings?
Lets start with the background.
The original idea with nofollow was to reduce comment spam on blogs. In 2005 Google’s Mat Cutts and Blogger’s Jason Shellen proposed a way to address the problem with spam comments and the result was the nofollow attribute that can be added to links in a webpage.