Jan 12
9
Posted by randfish SEOmoz.org had 13.8mm visits from 6.25mm unique visitors last year (2011). Those numbers are pretty exciting, but what's not exciting is the external perception created by third-parties like Compete, Alexa, Quantcast, Doubleclick and Google Trends for Websites. These sites report massively lower and wrongly trending data – and SEOmoz isn't alone in experiencing this frustration.
More here:
Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast