The Importance of PageRank
Posted: Sun May 18, 2008 10:32 am
Friends,
PageRank is Google's algorithm for determining the ranking of Web pages. It was formulated by Google founders Sergey Brin and Larry Page and has been used ever sincein concert with a plethora of other calculations and correctionsas the juice behind Google.
Put succinctly, the rank of a page is determined by the number of pages that point to it. The PageRank algorithm rates pages on a scale from 0 to 10, scoring everything from asyet-unheard-of Web pages to the likes of Amazon, Google, and Yahoo. Despite its name, however, PageRank is more of a score than a rank. Google doesn't have a single hierarchy of pages, and many pages share the same value.
In addition, a page's rank exists outside of any particular Google search. Put another way, Google ignores PageRank when it's searching, using it instead to decide the order in which it displays the results of that search. So when you run a search, Google looks through its various indexes of keywords and phrases, and first builds a list of results from pages that match your criteria. Then Google uses the PageRank of each of these pages to help decide what order to offer them in.
Any more to add?
PageRank is Google's algorithm for determining the ranking of Web pages. It was formulated by Google founders Sergey Brin and Larry Page and has been used ever sincein concert with a plethora of other calculations and correctionsas the juice behind Google.
Put succinctly, the rank of a page is determined by the number of pages that point to it. The PageRank algorithm rates pages on a scale from 0 to 10, scoring everything from asyet-unheard-of Web pages to the likes of Amazon, Google, and Yahoo. Despite its name, however, PageRank is more of a score than a rank. Google doesn't have a single hierarchy of pages, and many pages share the same value.
In addition, a page's rank exists outside of any particular Google search. Put another way, Google ignores PageRank when it's searching, using it instead to decide the order in which it displays the results of that search. So when you run a search, Google looks through its various indexes of keywords and phrases, and first builds a list of results from pages that match your criteria. Then Google uses the PageRank of each of these pages to help decide what order to offer them in.
Any more to add?