Google ranks behind AOL’s Platform-A and Yahoo in comScore April 2009 U.S. Ranking of Top 25 Ad Networks

Top 25 Ad Networks April 2009 vs. April 2008 Total U.S. – Home/Work/University Locations Source: comScore Media Metrix
	Total Unique Visitors (000)
	Apr-2008	Apr-2009	% Change
Total Internet : Total Audience	190,728	192,875	1
Platform-A	170,508	176,455	3
Yahoo! Network	160,206	167,129	4
Google Ad Network	155,882	164,518	6
ValueClick Networks	140,930	160,307	14
Specific Media	144,773	158,012	9

Read Full Report