In Forrester's evaluation of eight Web analytics vendors, we reviewed 105 criteria that exposed a tight Leader board because of each vendor's ability to process copious amounts of data and offer robust customization capabilities. Leaders in this field include US companies Omniture, Coremetrics, Unica, and Webtrends, with Netherlands-based Nedstat holding its own. Google Analytics advanced to Strong Performer with demonstrated capabilities for the enterprise market, and AT Internet and Yahoo! Web Analytics ranked as Contenders. Through this detailed evaluation and report, we seek to identify Web analytics solutions that meet the needs of large enterprises as they grow, mature, and plan their evolving Web analytics strategies.