There are lots of ways to measure Web traffic.

Untersucht wurden:

• Alexa Internet, owned by Amazon (AMZN)
• Compete Inc.
• comScore
• Google Analytics (GOOG)
• Hitwise
• Omniture (OMTR)
• Nielsen//NetRatings (NTRT)
• Quantcast
• Internal Server Logs

Den gesamten Artikel gibt es hier: http://www.msnbc.msn.com/id/18397308/