Yahoo! Sites ranked as the top U.S. display ad publisher in March with 42.8 billion ad views (13.2 percent market share) reaching 139 million people online. Fox Interactive Media ranked second with 31.4 billion ad views (9.7 percent), while Facebook.com captured the third spot with 24.8 billion ad views (7.7 percent).

Top 10 Online Display Ad Publishers*
March 2009
Total U.S. – Home/Work/University Locations
Source: comScore Ad Metrix
Total Display Ad Views (MM) Share of Display Ads   Advertising Exposed Unique Visitors (000)
Total Internet 323,647 100.0%   184,002
Yahoo! Sites 42,847 13.2% 138,968
Fox Interactive Media 31,402 9.7% 82,527
Facebook.com 24,847 7.7% 52,931
Microsoft Sites 17,788 5.5% 89,135
AOL LLC 17,380 5.4% 91,272
Google Sites  4,235 1.3% 97,416
eBay 2,811  0.9% 47,991
Viacom Digital 2,367 0.7% 36,876
Glam Media 2,127 0.7% 37,237
CNN 1,984 0.6% 27,616

*Reflects display advertising only, both standard and non-standard IAB sizes; excludes house ads and small ads (<2,500 pixels in dimension)

Jean Revell