Thursday 16 June 2011

Top 100 Sites in Ranking

The top 100 sites on the web. The sites in the top sites lists are ordered by their 1 month traffic rank. The 1 month rank is calculated

 http://www.scribd.com/doc/57996506
PageRank reflects our view of the importance of web pages by considering more than 500 million variables and 2 billion terms. Pages that we believe are important pages receive a higher PageRank and are more likely to appear at the top of the search results. PageRank also considers the importance of each page that casts a vote, as votes from some pages are considered to have greater value, thus giving the linked page greater value. We have always taken a pragmatic approach to help improve search quality and create useful products, and our technology uses the collective intelligence of the web to determine a page's importance.
A PageRank results from a mathematical algorithm based on the graph created by all World Wide Web pages as nodes and hyperlinks, taking into consideration authority hubs like Wikipedia (however, Wikipedia is actually a sink rather than a hub because it uses nofollow on external links[5][6]). The rank value indicates an importance of a particular page. A hyperlink to a page counts as a vote of support. The PageRank of a page is defined recursively and depends on the number and PageRank metric of all pages that link to it ("incoming links"). 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.


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