Importance of Link Building
Since this is such a crucial factor in Google’s algorithm (as well as the other search engines), a link campaign should be part of your search engine marketing efforts.
First, let’s define the different types of links that a site can have:
Reciprocal link – this is where two sites exchange links to each other’s sites.
One-way (In-Bound) link – where one site links to another site without receiving a link back.
Reciprocal linking is a very time consuming task when done correctly. During this process, a webmaster will scour the Internet looking for relevant sites that he or she can trade links with