U.S. Ad Network Rankings for January 2008

A look at the top performing ad networks in the U.S. market for the month of January. Data are provided by comScore.

AOL's Platform A, debuted as the top-performing ad network in the U.S. market. It's reach of 166 million U.S. online Americans accounted for 91 percent of the online population.

ComScore's QSearch data are based on an opt-in global panel of over 2 million consumers. The panel is observed for browsing and transactional behavior and participates in survey research to capture attitudes.

Top 50 U.S. Properties, January 2008
Rank	Property	Unique Visitors (000)		Rank	Property	Unique Visitors (000)
	Total Internet users	184,239
1	Yahoo sites	138,059		26	Superpages.com network	26,237
2	Google sites	134,886		27	CareerBuilder LLC	24,752
3	Microsoft sites	119,297		28	Glam Media	24,626
4	AOL LLC	109,442		29	Shopzilla.com sites	24,210
5	Fox Interactive Media	83,752		30	Monster Worldwide	24,185
6	eBay	78,789		31	CBS Corp.	23,643
7	Amazon sites	59,003		32	Expedia Inc.	23,454
8	Wikipedia sites	55,589		33	Gannett sites	22,997
9	Time Warner, excluding AOL	52,645		34	Bank of America	22,990
10	Ask Network	52,102		35	Yellowpages.com network	22,869
11	New York Times Digital	48,471		36	United Online Inc.	22,065
12	Apple Inc.	48,413		37	E.W. Scripps	20,952
13	Viacom Digital	42,011		38	Photobucket Inc.	20,497
14	The Weather Channel	40,478		39	Real network	19,747
15	CNET Networks	34,859		40	Lycos sites	19,484
16	Facebook	33,861		41	WebMD	19,219
17	Adobe sites	31,169		42	ESPN	19,166
18	Wal-Mart	30,747		43	WorldNow: ABC-owned sites	19,115
19	AT&T Inc.	27,890		44	NBC Universal	17,828
20	Target Corp.	27,874		45	Best Buy sites	17,813
21	Disney Online	27,524		46	WeatherBug	17,456
22	Verizon Communications Corp.	27,220		47	iVillage.com	17,383
23	Gorilla Nation	27,119		48	Cox Enterprises Inc.	17,286
24	Comcast Corp.	27,068		49	AmericanGreetings.com	16,771
25	craigslist	26,660		50	Hearst Corp.	16,708
Source: comScore, 2008

U.S. Ad Focus Ranking by Unique Visitor, January 2008
Rank	Property	Unique Visitors (000)	Reach (%)		Rank	Property	Unique Visitors (000)	Reach (%)
	Total Internet users	184,239	100
1	Platform-A**	166,763	91		26	Vibrant Media**	75,953	41
2	Advertising.com**	163,837	89		27	CPX Interactive**	71,667	39
3	Yahoo network**	155,822	85		28	MySpace.com*	68,641	37
4	Google Ad Network**	143,200	78		29	eBay	66,861	36
5	Specific Media**	142,290	77		30	Gorilla Nation Media	65,282	35
6	ValueClick networks**	137,548	75		31	YouTube	61,375	33
7	Yahoo	136,243	74		32	Undertone Networks**	59,273	32
8	Tribal Fusion**	131,840	72		33	MSN home page	58,548	32
9	Google	126,569	69		34	Ask Network	52,102	28
10	Casale Media Network**	121,893	66		35	PrecisionClick**	51,156	28
11	AOL Media Network	109,442	59		36	Kontera**	50,481	27
12	Windows Live	103,424	56		37	Amazon.com	48,324	26
13	DRIVEpm**	102,085	55		38	Business.com network	48,181	26
14	Adconion media group**	98,378	53		39	AdDynamix.com**	46,625	25
15	Yahoo home page	95,460	52		40	MapQuest	44,537	24
16	Traffic Marketplace**	95,254	52		41	Turn Inc.**	42,103	23
17	Tremor Media	93,929	51		42	YuMe	41,666	23
18	AOL	91,005	49		43	About.com	41,487	23
19	24/7 Real Media**	90,483	49		44	eBay home page	39,169	21
20	ADSDAQ by ContextWeb**	88,984	48		45	Vizi Media**	38,066	21
21	BurstMedia**	88,097	48		46	IAC AS network	37,526	20
22	AdBrite**	85,308	46		47	Nabbr	36,643	20
23	Collective Media**	79,832	43		48	Facebook	33,861	18
24	interCLICK**	79,369	43		49	Weather.com	31,464	17
25	Centro	78,460	43		50	CNN	29,157	16
Notes 1. Reach denotes the percentage of the total Internet population that viewed a particular entity at least once in January. 2. * means the entity has assigned some portion of traffic to other syndicated entities. 3. ** denotes an advertising network.
Source: comScore, 2008