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Latest Blog Entries
| What is Page Rank? Why is it important? |
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| Friday, 15 August 2008 00:00 |
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As quoted by Google: PageRank relies on the uniquely democratic nature of the web by using its vast link structure as an indicator of an individual page's value. In essence, 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 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" weigh more heavily and help to make other pages "important".  Take the following scenario. You are a college student who needs to do a report about the Internal Revenue Service. In your paper, it is very likely that you will cite the IRS as a source for your work. And in much the opposite way, the IRS would be highly unlikely to cite your research paper in any of its work.Google has taken this natural phenomenon as a way to measure the importance of every web page in its database. The more your work is cited as a reference on other websites, the more credibility your work is given. But it is not only quantity that is important, quality is a very significant player in this arena. Take the two red smileys as an example. Each of them only have a single reference...however those references come from very credible sources. Because the quality of those reference is so much greater, this work is assigned a much higher credibility than those sites which receive a large amount of low quality references. But why is it important? Google uses Page Rank as a significant factor in organizing the results of a given query to its search engine. Take the smiley example above and assume all these pages describe the same topic. The green smileys have very little credibility since no others reference them. The yellow smiley would be considered the most significant work on the topic as many others cite it as a reference. If you want your website to rank in the search engines, page rank is one of the many critical fundamentals to understand. |
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