comScore Reports Top 10 UK Ad Networks

24/7 Real Media Growth Outpaces all Other Networks, Doubling Reach in Past Year

London, U.K. – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, reported the top 10 ad networks based on their reach among U.K. internet users in July 2010. The ranking showed that Google Ad Network remains on top, with a reach of 38.3 million internet users, or 93 percent of the total U.K. internet audience, followed by AOL Advertising (33.2 million) and Yahoo! Network (33 million).

The fastest growing ad network among the top 10 was 24/7 Real Media (up 111 percent versus a year ago). Several other ad networks in the top ranking also achieved strong growth rates during the past year, including Tribal Fusion (up 30 percent), Adconion (up 28 percent) and ValueClick Media (up 25 percent).

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U.K. Top 10 Ad Networks based on Unique Visitors*
July 2010 vs. July 2009
Total U.K., Age 15+ – Home & Work Locations
Source: comScore Media Metrix

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Total Unique Visitors (000)     % Reach

2009    2010   % Change   2009  2010  PtChange

Total Internet Persons: 15+  36,912  38,301    3.8%    100.0 100.0  0.0

Google Ad Network            34,861  35,510    1.9%    94.4  92.7  -1.7

AOL Advertising              30,054  33,179   10.4%    81.4  86.6   5.2

Yahoo! Network               29,105  33,003   13.4%    78.8  86.2   7.3

Microsoft Media Network      32,584  32,554   -0.1%    88.3  85.0  -3.3

Specific Media               29,249  31,512    7.7%    79.2  82.3   3.0

24/7 Real Media              14,895  31,443  111.1%    40.4  82.1  41.7

ValueClick Media EU (vcmedia)24,413  30,525   25.0%    66.1  79.7  13.6

Unanimis Network Aggregate   25,592  30,153   17.8%    69.3  78.7   9.4

Tribal Fusion                20,835  27,059   29.9%    56.4  70.6  14.2

Adconion Media Group         20,764  26,541   27.8%    56.3  69.3  13.0

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*NOTE: comScore’s ad network Unique Visitor measure represents the actual number of individuals reached by calls from the network’s ad servers

When evaluating daily visitors to the top ad networks, Google remains first on the list, reaching 17.6 million internet users.  Microsoft Media Network rises up the ranks to take the second spot with 12.3 million users and AOL Advertising places in third (10.7 million).

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U.K. Top 10 Ad Networks based on Average Daily Visitors
July 2010
Total U.K., Age 15+ – Home & Work Locations
Source: comScore Media Metrix

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Average Daily

Visitors (000)

Total Internet Persons: 15+         29,807

Google Ad Network                   17,641

Microsoft Media Network             12,305

AOL Advertising                     10,725

Yahoo! Network                      10,528

Specific Media                       8,174

24/7 Real Media                      8,147

Unanimis Network Aggregate¹          7,555

ValueClick Media EU (vcmedia)        6,934

Tribal Fusion                        5,154

Adconion Media Group                 4,624

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“Ad networks continue to be a powerful mechanism to quickly build scale, and nearly all of the major players have expanded their reach over the past year,” said comScore senior vice president and European managing director Mike Read. “With continued innovations in targeting and focus on ROI it’s not surprising the ad network space continues to be of strong interest to advertisers.”

About comScore
comScore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital marketing intelligence. For more information, please visit www.comscore.com/companyinfo.