If you think that PageRank has only affected the e-commerce stores and online services, then you need to know that it also impacts directories and article sites. As every day, a new directory is introduced; the competition has shot up drastically. It is very important to determine the Page Rank for each directory so that the website owners and SEO professionals can understand its reliability factor. Well, as Google modifies the PageRank standards, it impacts directories as well. The update tests the aptitude of the online shops and directories to make the required changes to retain or enhance the achieved ranking.