Peterson, Eric T. Web site measurement hacks / Eric T. Peterson. - 1st ed. - Sebastopol, Calif. ; Farnham : O’Reilly, c2005. - xxi, 405 p. : ill. ; 23 cm. Includes index. Subjects--Topical Terms: Web sites--Design--Evaluation. Electronic commerce. Dewey Class. No.: 005.72