Ad networks and other properties listed in comScore‘s Ad Focus Rankings shifted in the month of March.
New to the top 50 in March were Fox Audience Network, which entered in the ninth position with an audience of 140.9 million uniques, and Platform-A Video Network, which ranked 21st with 118.9 million unique visitors. Gone from the top 50 were MSN.com and Snap Shots Network, which had been ranked 45 and 50 respectively in February. Gorilla Nation increased its reach from 33 percent in February to 43 percent in March. In doing so it moved from a rank of 39 to 29 in the same time period.
ComScore measures Internet usage from a global panel of home, work, and university Internet users.
|Top 50 U.S. Ad Networks by Unique Visitor, March 2009|
|Rank||Ad Network||Unique Visitors (000)||Reach (%)||Rank||Ad Network||Unique Visitors (000)||Reach (%)|
|1||Platform-A**||173,772||90||26||AOL Media Network||104,416||54|
|2||Yahoo network**||165,578||86||27||BrightRoll Video Network||95,654||50|
|3||Google Ad Network**||160,762||84||28||AdBrite**||86,444||45|
|4||ValueClick Networks**||156,662||82||29||Gorilla Nation||83,323||43|
|5||Yahoo sites||146,059||76||30||Undertone Networks**||82,797||43|
|7||24/7 Real Media**||141,728||74||32||YuMe Video Network||76,074||40|
|8||Traffic Marketplace**||141,078||73||33||Vibrant Media**||75,681||39|
|9||Fox Audience Network**||140,922||73||34||Centro||74,206||39|
|10||Tribal Fusion**||137,627||72||35||Pulse 360**||73,804||38|
|11||Tremor Media||136,277||71||36||Ask Network||72,798||38|
|12||Specific Media**||135,643||71||37||National Newspaper Network: total U.S. newspapers||72,064||37|
|13||Casale Media – MediaNet**||135,056||70||38||MySpace.com*||70,147||37|
|16||Adconian Media Group**||127,445||66||41||Monster Career Ad Network||65,658||34|
|18||Microsoft Media Network U.S.**||123,192||64||43||ITN Digital Networks||63,104||33|
|20||ADSDAQ (ContextWeb)**||118,929||62||45||IAC Ad Solutions||57,292||30|
|21||Platform-A Video Network||118,872||62||46||eBay||54,946||29|
|22||Audience Science (formerly Revenue Science)**||114,904||60||47||Glam Media||52,220||27|
|24||MSN Windows Live||108,025||56||49||National Newspaper Network: top 25 newspapers||49,557||26|
|25||Digital Broadcasting Group||107,953||56||50||Business.com||49,369||26|
1. Reach denotes the percentage of the total Internet population that viewed a particular entity at least once in August.
2. ** denotes an advertising network.
3. * denotes entity has assigned some portion of traffic to other syndicated entities.
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|
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