Search engines such as Google rank search results based on the relevance to the search query and other websites linking to it. Google PageRank has not been updated since 5th of December 2013, therefore it cannot be considered as a ranking factor anymore. What still affects the ranking is Page and Domain Authority. Evil minded people take advantage of this, by gaining illegally access to their victims webhost and adding a sub-domain or a sub-page. Those sub-pages are providing content which is mostly complete different compared to the root domain. The sub-page contains outbound links and benefits of the roots domains/page authority, leading to a high ranking on search engines. This method became very popular in 2007, but is still being abused today. In contrast to Website defacement parasite hosting´s main goal is profit, either through sales or other kind of advertising.