Page Ranking Scale

There is much deliberation and discussion as to the difference between for example a PR3 page rank and a PR4. While there is no information that has been given out directly from Google, SEO experts have been able to piece together clues towards exact values.

Essentially, page rank is measured on a logarithmic scale. The PR difference of 2 is much greater than a PR difference of 1, for example. From sample group studies, it has been tentatively confirmed that a page rank that is 1 higher translates into a difference of 6 times the inbound links. A PR5 is worth 6 times more than a PR4 and 36 times more than a PR3 in terms of PR value and backlinking weight. This means that ideally a link exchange will only occur between two sides of the same PR rank or between one page and six pages that are of a lower PR. Always keep careful track of this when performing a link exchange or you can very easily end up with unfair agreements and essentially getting cheated out of PR.

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