The pagerank to determine the popularity of a site
© The PageRank is a numeric value that Google gives each web page known to the search engine, and its value of PageRank of a page is © one of the many factors that helps determine the location of the page in search results.
© The concept of PageRank is designed to get a rough idea of the degree of "importance" of a web page. © Google is able to assess Approximately the size of a page  ³ It can be considered authoritative or popular on the web, considered the worlds most important pages will get search results in a "push worlds most" that will allow to reach better positions.
The PageRank calculation is performed by applying a mathematical formula applied to each of the billions of pages known to Google and can ³ be considered a version worlds most sophisticated and complex than the Link Popularity (LP), which introduces a new element and minimizes the problems stood so far with Link Popularity Instead of taking into account only the quantity of links received, PageRank also considers the value of PageRank of pages that offer links.
PageRank is calculated on a logarithmic scale using a formula like this:
PR [A] = (d - 1) + d (PR [T1] / C [T1] + ... + PR [Tn] / C [Tn])
Where:
PR [A] is the Page Rank Site © What we want to calculate
T1 ... Tn are sites that contain at least one link to A
PR [T1] PR ... [Tn] are the PageRank of the sites T1 ... Tn
C [T1] ... C [Tn] are the numbers of links contained
d (damp) © is a factor determined by Google and that is probably worth something like 0.8 or 0.9 and is adjusted by © Google to decide what significance to attribute to this part of the algorithm.
The toolbar of Google (and other tools), show strong approximation with the value from 0 to 10 (recall that © is not exponential but in decimal scale), and it is advisable not to pay too much attention.
To date there is therefore no way to know the true PR is a value that Google does not disclose.
Tags: google , link popularity , pagerank , google toolbar
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May 2nd, 2008 at 18:27
Interestingly, too bad I did not understand pressocchà is about nothing more or less. Thanks anyway Paul: I appreciate your attempt to get into my head a little knowledge about the workings of the Internet. Perhaps it would find it easier to Heidegger's Being and Time. Or the cultivation of tomatoes in the desert. hugs.
September 27th, 2008 at 23:45
[...] We're people, part of the pagerank update. Clarify that the news is not official party are carrying out research in the [...]