Top U.S. Ad Networks, November 2008
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 | 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 | 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. |
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| Source: comScore, 2008 | ||||||||
