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Monday, 5 November 2007

Google Pagerank Predictor shows poor correlation with PR

I ran a few of the PF Blogs listed by FIRE finance through the iwebtool pagerank predictor tool to see how well it correlates with Goolgle's actual ranking of these sites. As I suspected, there is little correlation. Although there was some tendency for the iwebtools predicted pagerank to be lower for some sites that had a lower actual pagerank, it obviously doesn't replicate aspects of the Google ranking algorithm that had caused some popular sites (such as MapGirlsFiscalChallenge) to had a Google pagerank of 0. According to the iwebtool prediction her site should get a pagerank of 6! Oh well, I guess I'll just have to wait three months until Google updates the rankings again and see if my blog has an improved PR.

The graph below plots actual PR (x-axis) and iwebtools predicted pagerank (y-axis);



Copyright Enough Wealth 2007


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