Top U.S. Ad Networks, November 2008

  |  December 19, 2008   |  Comments

The top 50 ad networks in November by unique visitor.

In November comScore measured a panel of 190.8 million unique visitors to ad networks across the Web. AOL's Platform-A, which includes Advertising.com, Quigo, and other properties, reached over 90 percent of the online audience, or over 173 million unique visitors.

ComScore measures Internet usage from a global panel of home, work, and university Internet users.

Top 50 U.S. Ad Networks by Unique Visitor, November 2008
Rank Ad Network Unique Visitors (000) Reach (%) Rank Ad Network Unique Visitors (000) Reach (%)
Total 190,775 100
1 Platform-A** 173,155 91 26 Centro 77,207 40
2 Yahoo network** 164,535 86 27 MySpace* 75,328 39
3 Google network** 159,387 84 28 Undertone Networks** 75,027 39
4 ValueClick networks** 157,444 83 29 Vibrant Media** 73,748 39
5 Specific Media 151,386 79 30 National Newspaper Network: total U.S. newspapers 73,231 38
6 Traffic Marketplace** 142,510 75 31 Ask network 70,151 37
7 Yahoo 142,007 74 32 Gorilla Nation Media 67,972 36
8 Tribal Fusion** 141,412 74 33 IAC Ad Solutions 65,098 34
9 24/7 Real Media** 139,189 73 34 Kontera** 60,098 32
10 Google 138,870 73 35 Pulse 360** 57,733 30
11 Casale Media** 137,371 72 36 MSN.com: home page 57,622 30
12 Adconion Media Group 136,625 72 37 eBay 56,775 30
13 Tremor Media 134,949 71 38 IB Local Network 55,438 29
14 interClick 128,033 67 39 Glam Media 54,631 29
15 Revenue Science** 126,600 66 40 Amazon.com 54,223 28
16 DRIVEpm 123,082 65 41 Tattoo Media** 52,376 27
17 Collective Media** 118,796 62 42 National Newspaper Network: top 25 newspapers 50,836 27
18 CPX Interactive** 115,129 60 43 YuMe video network 50,798 27
19 MSN Windows Live 111,610 59 44 Facebook 50,511 26
20 Turn Inc** 111,227 58 45 ITN digital network 48,554 25
21 ADSDAQ (ContextWeb)** 110,338 58 46 Ybrandt/Oridian/AdDynamix network** 48,099 25
22 AOL Media Network 108,785 57 47 Business.com network 46,487 24
23 Burst Media** 105,989 56 48 quadrantONE 44,482 23
24 AdBrite 88,203 46 49 Wal-Mart Stores Inc. 43,940 23
25 YouTube 80,406 42 50 Intergi 43,406 23
Notes:
1. Reach denotes the percentage of the total Internet population that viewed a particular entity at least once in November.
2. * denotes entity has assigned some portion of traffic to other syndicated entities.
3. ** denotes an advertising network.
4. † denotes custom entities representing the number of unduplicated visitors to sites with which the specified ad network has contracted to deliver advertising. Unlike entities marked as advertising networks (**), custom entities don't represent the total number of visitors actually reached by ads via the ad network.
5. 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, 2008

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Enid Burns

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