In the last months we have been working on an automatic unnatural links classification system. Before going into the details of this new tool, I would like to share with you the challenges that we had in implementing such a complex system. (if you are not interested in those just skip to the tool) 1. User Oriented Concept The Unnatural Links subject generates a lot of confusion among website owners, webmasters and even SEO professionals. I can tell you that the unnatural link concept is a hard [...]