comScore released its December 2007 data from the comScore Video Metrix service, which reaches beyond simple site visitation to measure actual online video viewing behavior. The December 2007 report revealed that U.S. Internet users watched more than 10 billion videos online during the month, representing the single heaviest month for online video consumption since comScore initiated its tracking service. Top-ranked video property Google Sites saw substantial growth and extended its video market share gains, now accounting for nearly one out of every three videos viewed online.

Google Extends Lead in Online Video Market Share

Google Sites once again ranked as the top U.S. video property in December with 3.3 billion videos viewed (32.6 percent share of videos), gaining 1.3 share points versus the previous month. YouTube.com accounted for more than 97 percent of all videos viewed at the property. Fox Interactive Media ranked second with 358 million (3.5 percent), followed by Yahoo! Sites with 340 million (3.4 percent) and Viacom Digital with 238 million (2.3 percent).

    Top U.S. Online Video Properties* by Videos Viewed
    December 2007
    Total U.S. -- Home/Work/University Locations
    Source: comScore Video Metrix

    Property                         Videos               Share (%) of
                                      (000)                   Videos

    Total Internet                10,156,199                 100.0
    Google Sites                   3,314,962                  32.6
    Fox Interactive Media            358,353                   3.5
    Yahoo! Sites                     340,409                   3.4
    Viacom Digital                   237,689                   2.3
    Microsoft Sites                  180,443                   1.8
    Time Warner Network              174,079                   1.7
    Disney Online                    123,009                   1.2
    ESPN                              84,839                   0.8
    Apple Inc.                        50,316                   0.5
    ABC.COM                           47,259                   0.5

In total, nearly 141 million Americans viewed online video in December. Google Sites also captured the largest online video audience with 79 million unique viewers, followed by Fox Interactive Media with 43.9 million and Yahoo! Sites with 38.2 million.

    Top U.S. Online Video Properties by Unique Video Viewers December 2007
    Total U.S. -- Home/Work/University Locations
    Source: comScore Video Metrix

    Property                      Unique Viewers       Percent of all U.S.
                                      (000)              Internet Users

    Total Internet                   140,926                  76.7
    Google Sites                      79,041                  43.0
    Fox Interactive Media             43,915                  23.9
    Yahoo! Sites                      38,214                  20.8
    Time Warner Network               27,168                  14.8
    Viacom Digital                    24,504                  13.3
    Microsoft Sites                   20,096                  10.9
    Disney Online                     12,256                   6.7
    ESPN                              10,004                   5.4
    Apple Inc.                         9,455                   5.1
    Amazon Sites                       7,734                   4.2

Other notable findings from December 2007 include:

• 77.6 million viewers watched 3.2 billion videos on YouTube.com (41.6 videos per viewer).
• 40.5 million viewers watched 334 million videos on MySpace.com (8.2 videos per viewer).
• Online viewers watched an average of 3.4 hours (203 minutes) of online video during the month, representing a 34-percent gain since the beginning of 2007.
• The average online video duration was 2.8 minutes.
• The average online video viewer consumed 72 videos.