comScore releases March 2008 data from the comScore Video Metrix service, indicating that U.S. Internet users viewed 11.5 billion online videos during the month, representing a 13-percent gain versus February and a 64-percent gain versus March 2007.

Google Sites Extends Lead in Online Video Market Share

In March, Google Sites once again ranked as the top U.S. video property with more than 4.3 billion videos viewed (38 percent share of all videos), gaining 2.6 share points versus the previous month. YouTube.com accounted for 98 percent of all videos viewed at Google Sites. Fox Interactive Media ranked second with 477 million videos (4.2 percent), followed by Yahoo! Sites with 328 million (2.9 percent) and Viacom Digital with 249 million (2.2 percent).

    Top U.S. Online Video Properties* by Videos Viewed
    March 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore Video Metrix
    Property                                         Videos       Share (%) of
                                                      (000)          Videos
    Total Internet                                11,476,886         100.0
    Google Sites                                   4,358,306          38.0
    Fox Interactive Media                            477,621           4.2
    Yahoo! Sites                                     328,087           2.9
    Viacom Digital                                   249,285           2.2
    Microsoft Sites                                  245,453           2.1
    Time Warner - Excl. AOL                          159,009           1.4
    Disney Online                                    108,055           0.9
    ABC.COM                                          100,051           0.9
    AOL LLC                                          100,044           0.9
    ESPN                                              89,760           0.8

    *Rankings based on video content sites; excludes video server networks. Online video includes both streaming and progressive download video.

Nearly 139 million U.S. Internet users watched an average of 83 videos per viewer in March. Google Sites also attracted the most viewers (85.7million), where they watched an average of 51 videos per person. Fox Interactive attracted the second most viewers (54.3 million), followed by Yahoo! Sites (37.5 million) and Viacom Digital (26.6 million).
    Top U.S. Online Video Properties* by Unique Viewers
    March 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore Video Metrix
    Property                                    Unique Viewers  Average Videos
                                                      (000)       per Viewer
    Total Internet                                   138,576           82.8
    Google Sites                                      85,670           50.9
    Fox Interactive Media                             54,294            8.8
    Yahoo! Sites                                      37,536            8.7
    Viacom Digital                                    26,642            9.4
    Microsoft Sites                                   25,194            9.7
    Time Warner - Excl. AOL                           22,366            7.1
    AOL LLC                                           21,860            4.6
    Disney Online                                     12,249            8.8
    ESPN                                              10,053            8.9
    CBS Corporation                                    9,486            6.6

    *Rankings based on video content sites; excludes video server networks. Online video includes both streaming and progressive download video.

Other notable findings from March 2008 include:

73.7 percent of the total U.S. Internet audience viewed online video.
84.8 million viewers watched 4.3 billion videos on YouTube.com (50.4 videos per viewer).
47.7 million viewers watched 400 million videos on MySpace.com (8.4 videos per viewer).
The average online video duration was 2.8 minutes.
The average online video viewer watched 235 minutes of video.