Matt Cutts states that Alexa data is suspect, citing a comparison between his blog and the ask.com search engine.
And he’s right. Alexa data relies heavily upon those that choose to install the Alexa toolbar – which is predominantly webmasters, search engine optimization specialists, and others in related systems (systems administration, web design, and so on).
What’s the solution? Over at ReveNews, Jim Kukral asks where the Google version of Alexa is… after all, doesn’t Google have more traffic and related data than anyone else?