RESTON, VA, September 12, 2012 – comScore, Inc., a leader in measuring the digital world, today released its monthly analysis of U.S. web activity at the top online properties for August 2012 based on data from the comScore MMX service.
With the release of August 2012 U.S. MMX data, comScore introduced three important methodological enhancements to our estimates that will affect data on a go-forward basis. The first enhancement is the incorporation of updated demographic universe estimates based on data from the 2010 U.S. census, which provides an improved accounting of the percentage of the population falling into each demographic segment. The second enhancement was an improvement in comScore’s enumeration survey methodology to better represent persons in cell-phone only households. The third and final enhancement is a new technique to account for cookie rejection in Safari browsers, for sites measured via comScore’s Unified Digital Measurement (UDM) methodology.. (more…)