Link building is a technique used to promote website with high page rank websites. Link popularity is not a simple process but require a lot of efforts. Mainly there are three types of link building technique i.e. One Way link building, two way link building or reciprocal link and the third one is three way link building. The one way link building means that you are getting link from another site, but this is relevant site for us that is one way link building. The two ways link building is also called reciprocal link building. In this websites, we can exchange link with another.