Alexa, Digg, Reddit, Delicious: How Accurate Their Estimates?
More on the inaccuracy of traffic estimation services: Paul Graham examines numbers from Alexa, Digg, Reddit, Delicious.
If anyone wants to start a startup that will somehow yield reliable traffic numbers, we’d love to fund that one.
Update: Relevant post from SiliconBeat from August on the impact of inaccurate traffic #s on sites, esp. startups