What is link building
The importance of links for the search engine
The rank assigned to a document is calculated from the ranks of documents citing it (the document).Feel free to read the original patent Officially Google doesn’t use the PageRank score anymore, yet you will understand that behind the scenes Google still needs to use a ranking to get your site ranked. Only this ranking is more complex than ever and on top of that, it is dynamic. Also, many more factors are taken into account in the weighting than just links.