There are many type of Unnatural Backlinks Google consider as link spam. paying for or participating in linking schemes, Comment/Pingback/Trackback Spam, Made For Links Content, Low Quality Directory, Header/Sidebar/Footer Spam, Profile Spam, Analytics Tool/Site, Posted Spam, Ad/Sponsor Listing, Shared Spam, Shopping Spam, etc.. What I will show you? I will give you a Proper instruction how to classifying manually your site all unnatural back-links. You don’t need to buy any tools or service for it. The goal is to identify if the back -links are unnatural links. Classify the linking page if it is spam and what type of spam it is.
