Top U.S. Ad Networks, December 2008
The top 50 ad networks in December by unique visitor.
The top 50 ad networks in December by unique visitor.
In December comScore measured a panel of 190.7 million unique visitors to ad networks across the Web. AOL’s Platform-A, which includes Advertising.com, Quigo, and other properties, reached 91 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, December 2008 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Rank | Ad Network | Unique Visitors (000) | Reach (%) | Rank | Ad Network | Unique Visitors (000) | Reach (%) | |
| Total | 190,650 | 100 | ||||||
| 1 | Platform-A** | 173,804 | 91 | 26 | YouTube.com | 81,926 | 43 | |
| 2 | Yahoo network** | 165,879 | 87 | 27 | Centro-potential reach | 79,294 | 42 | |
| 3 | ValueClick Networks** | 159,420 | 84 | 28 | Undertone Networks** | 79,259 | 42 | |
| 4 | Google Ad Network | 157,131 | 82 | 29 | Vibrant Media** | 78,370 | 41 | |
| 5 | Specific Media** | 153,079 | 80 | 30 | MySpace.com* | 75,909 | 40 | |
| 6 | Traffic Marketplace** | 147,024 | 77 | 31 | Ask network | 73,267 | 38 | |
| 7 | Yahoo | 145,708 | 76 | 32 | National Newspaper Network: total U.S. newspapers | 72,178 | 38 | |
| 8 | 24/7 Real Media** | 142,448 | 75 | 33 | IAC Ad Solutions | 69,839 | 37 | |
| 9 | Adconian Media Group** | 142,133 | 75 | 34 | Gorilla Nation Media | 69,676 | 37 | |
| 10 | 141,044 | 74 | 35 | eBay | 62,738 | 33 | ||
| 11 | Tribal Fusion** | 139,778 | 73 | 36 | Kontera** | 62,340 | 33 | |
| 12 | Tremor Media | 137,407 | 72 | 37 | Amazon.com | 62,081 | 33 | |
| 13 | interCLICK** | 137,076 | 72 | 38 | Glam Media | 61,129 | 32 | |
| 14 | Casale Media** | 136,806 | 72 | 39 | Pulse 360** | 60,834 | 32 | |
| 15 | Collective Network** | 126,294 | 66 | 40 | ITN digital networks | 60,060 | 32 | |
| 16 | Revenue Science** | 126,261 | 66 | 41 | MSN.com home page | 56,543 | 30 | |
| 17 | DRIVEpm** | 126,158 | 66 | 42 | TattoMedia | 56,284 | 30 | |
| 18 | Turn Inc.** | 123,150 | 65 | 43 | 54,552 | 29 | ||
| 19 | CPX Interactive** | 118,305 | 62 | 44 | IB Local Network | 53,461 | 28 | |
| 20 | ADSDAQ by ContextWeb** | 117,025 | 61 | 45 | National Newspaper Network: top 24 newspapers | 49,520 | 26 | |
| 21 | BrightRoll Video Network | 114,333 | 60 | 46 | Adify** | 48,974 | 26 | |
| 22 | Burst Media** | 112,601 | 59 | 47 | Business.com network | 47,695 | 25 | |
| 23 | MSN-Windows Live | 112,223 | 59 | 48 | Wal-Mart Stores Inc. | 46,049 | 24 | |
| 24 | AOL Media Network | 109,879 | 58 | 49 | YuMe Video Network | 45,860 | 24 | |
| 25 | AdBrite** | 87,826 | 46 | 50 | QuadrantONE | 44,940 | 24 | |
| Notes: 1. Reach denotes the percentage of the total Internet population that viewed a particular entity at least once in December. 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 | ||||||||
