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Top U.S. Ad Networks, January 2009
by Enid Burns, ClickZ, Feb 27, 2009
AOL's Platform-A maintained its significant consumer reach in January of 91 percent, or over 173 million unique visitors to its network. ComScore measured a panel of 190.7 million unique visitors to ad networks and sites in its AdFocus rankings.
ComScore measures Internet usage from a global panel of home, work, and university Internet users.
Top 50 U.S. Ad Networks by Unique Visitor, January 2009
Rank Ad Network Unique Visitors (000) Reach (%) Rank Ad Network Unique Visitors (000) Reach (%) Total 191,863 100 1 Platform-A** 174,586 91 26 AdBrite** 89,649 47 2 Yahoo network** 164,712 86 27 YouTube 82,772 43 3 ValueClick Networks** 160,261 84 28 Centro 81,559 43 4 Google Ad Network** 158,481 83 29 Vibrant Media** 79,908 42 5 Traffic Marketplace** 146,903 77 30 MySpace* 75,639 39 6 Yahoo sites 146,131 76 31 National Newspaper Network: total U.S. newspapers 74,800 39 7 Specific Media** 145,929 76 32 Ask network 74,742 39 8 Tribal Fusion** 143,869 75 33 Pulse 360** 71,075 37 9 Google 143,116 75 34 Gorilla Nation Media 68,684 36 10 24/7 Real Media** 141,604 74 35 IAC Ad Solutions 66,759 35 11 Tremor Media 136,867 71 36 Undertone Networks** 66,083 34 12 Casale Media** 136,772 72 37 Career Ad Network** 65,936 34 13 Turn Inc.** 132,949 69 38 ITN digital network 65,705 34 14 Adconian Media Group 130,717 68 39 Kontera** 64,928 34 15 interCLICK** 126,706 66 40 Tattoo Media** 61,677 32 16 CPX Interactive** 125,764 66 41 IB Local Network 58,414 30 17 DRIVEpm 125,255 65 42 eBay 57,520 30 18 ADSDAQ (ContextWeb)** 121,022 63 43 Adify** 57,380 30 19 Revenue Science** 114,122 59 44 Facebook 57,232 30 20 Digital Broadcasting Group 111,698 58 45 MSN.com 54,481 29 21 MSN Windows Live 111,695 58 46 Glam Media 55,293 29 22 Collective Network** 111,322 58 47 Amazon.com 54,562 28 23 Burst Media** 109,043 57 48 National Newspaper Network: top 25 newspapers 52,326 27 24 AOL Media Network 108,441 57 49 Business.com 51,586 27 25 BrightRoll 98,179 51 50 QuadrantONE 47,754 25
Notes: 1. Reach denotes the percentage of the total Internet population that viewed a particular entity at least once in August. 2. * denotes entity has assigned some portion of traffic to other syndicated entities. 3. ** denotes an advertising network. 4. The Platform A ad network is an aggregation of ad servers used by the following individual advertising network entities: Advertising.com, Tacoda, AOL, Quigo, and Userplan. Source: comScore, 2009