RESTON, Va., Aug. 19, 2011 /PRNewswire/ -- comScore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for July 2011 based on data from the comScore Media Metrix service.

RESTON, Va., July 22, 2011 /PRNewswire/ -- comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for June 2011 based on data from the comScore Media Metrix service.

RESTON, Va., June 20, 2011 /PRNewswire/ -- comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for May 2011 based on data from the comScore Media Metrix service.

RESTON, Va., May 20, 2011 /PRNewswire/ -- comScore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for April 2011 based on data from the comScore Media Metrix service.

RESTON, Va., April 22, 2011 /PRNewswire/ -- comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for March 2011 based on data from the comScore Media Metrix service.