Although directory submissions ended up when a legit link-building tactic, the proliferation of spam directories has produced this apply remarkably suspicious from the eyes of search engines like yahoo.Also, nofollow links tend not to move PageRank. So, they don't lead in your SERP ranking even if they escape detection as spam.Check for malware: Ir

Spam links also known as link spam, refer to bothersome and irrelevant hyperlinks you come across on the internet intending to manipulate how browsers rank Sites and redirect unsuspecting customers to other internet sites.Google aims to reward authentic, worthwhile information, so visitor putting up only to get backlinks may result in penalties. *