Abstract: On April 17, 2008, Beijing Time, Alexa officially announced a brand new ranking system. According to the official report from Alexa, after listening to the suggestions from a large number of Internet users, Alexa has re-improved its statistical rules. The new ranking system is more authentic and the data sources are more diverse. Alexa, which has been widely controversial and questioned by domestic competitors (iResearch, Foxread, Wanrui, Chinarank), has finally begun...