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Google Page Rank
06 January 2009

Google describes PageRank as follows:
| “ | PageRank relies on the unique democratic nature of the internet by using its vast link structure as an indicator of a web page's value. Essentially, Google interprets a link from page A to page B as a vote, by page A, for page B. But, Google looks at more than just the sheer volume of votes, or links a page receives; it also analyzes the page that casts the vote. Votes cast by pages that are themselves "important" carry greater weight and help to make other pages "important" also. | ” |
In other words, a PageRank results from a "ballot" among all the other pages on the Web about how important a page is. A hyperlink to a page counts as a vote of support. The PageRank is defined recursively and is dependant upon the number and PageRank metric of all pages that link to it . A page that is linked to by many pages with high PageRank receives a high rank itself. If there are no links to a web page there is no support for that page!










