"Search Engine Optimization" has become very essential for your site to have a good rank. To have your site listed on the top rankings is improtant to gain more traffic to your site. This is not just attained with optimizing the contents in the page but also using
"out-of-page" factors. These factors hhave become more important as they directly affect the rankings of a site. One of the
"out-of-page" factor is Building Link Popularity.
"Link popularity" can have great impact on your site. It can either make or break a site with the search engines. For more on Link-Building read the following links:
Link Building
Importance of Link Building