Major search engines have a determined set of algorithm for rating a sites importance and popularity. There are numerous criteria used by search engines. Every major search engine have it’s own algorithm which differs from one with the other. One common criteria used by search engine to determine the value of a website are with the number of backlinks the site have. Backlinks are the number of other websites linking to your site. There are many factors that affect the quality of a website some of which may include the age of a site, the site material relevance, the number of credible links which points back to that site.

A websites’ link popularity is measured by the number of backlinks and quality of those backlinks. Your sites link popularity is important. The process of improving link popularity is what is widely known as link building. Link building is considered as an importance aspect of Search Engine Optimization. Thus, a serious web developer or blogger should consider link building as important routine.

Aside from search engine optimization benefits, one will know the sites popularity and importance on it’s niche. Search engine algorithm are considered a mystery and is a safe guarded business secret. It’s a fact that everyone is left to guess on the workings of search engine. Some sound optimization principles today like link building are not guaranteed over time to be the same.