Category Archives: alexa

Oct 19 2006

Alexa, Digg, Reddit, Delicious: How Accurate Their Estimates?

Paul Graham examines traffic numbers from Alexa, Digg, Reddit, Delicious and finds the accuracy lacking.

Oct 18 2006

Alexa and HitWise: How Accurate Their Estimates?

A study by SEMOZ concludes: "based on the evidence we've gathered here, it's safe to say that no external metric, traffic prediction service or ranking system available on the web today provides any accuracy when compared with real numbers."