This IDC study shows vendor revenue for the Web analytics market for 2003-2005 as well as projections for 2006-2010. It includes a quantification of the changes in market concentration as well as profiles of several leading vendors.

"Web analytics has continued to flourish as the marketer's attention toward online promotion and selling has increased. Massive changes are now taking place in the Web analytics space, transforming its direction and future." - Robert Blumstein, research director, CRM analytics and marketing applications