When referring to one way link building one combines two very important aspects of Internet marketing: search engine optimization and page ranking. On the one hand, SEO consists in all the techniques and methods used to make a web site adequate and interesting to be displayed by search engines. Otherwise, SEO refers to an extremely large range of tactics, strategies, tools and softwares that one can lose track of in the maze. As for the other concept, page ranking represents the appreciation of the page value or importance, performed by the search engine starting from the optimization we’ve mentioned above.

SEO ranking or the page rank stands for the Google more of expressing the quality and the credibility of a certain page. The ranking is reported in numbers from 0 to 10, and two competitors sharing the same SEO ranking will be separated by the factor mentioned above: relevance. The page that has the highest content relevance for the keyword typed in the search engine will be displayed first on the search engine result page. Therefore, content quality is strongly emphasized by web masters when building one way links to a site.