comScore Releases May 2010 US Online Video Rankings

YouTube Streams All-Time High of 14.6 Billion Videos Viewed

RESTON, VA – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, released May 2010 data from the comScore Video Metrix service showing that 183 million U.S. Internet users watched online video during the month. YouTube.com achieved record levels of viewing activity in May with an all-time high of 14.6 billion videos viewed and surpassing the threshold of 100 videos per viewer for the first time.

Top 10 Video Content Properties by Videos Viewed
U.S. Internet users watched nearly 34 billion videos in May, with Google Sites ranking as the top video property with 14.6 billion videos, representing 43.1 percent of all videos viewed online. YouTube accounted for the vast majority of videos viewed at the property. Hulu ranked second with 1.2 billion videos, or 3.5 percent of all online videos viewed. Microsoft Sites ranked third with 642 million (1.9 percent), followed by Vevo with 430 million (1.3 percent) and Viacom Digital with 347 million (1.0 percent).

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Top U.S. Online Video Content Properties* by Videos Viewed
May 2010
Total U.S. – Home/Work/University Locations
Source: comScore Video Metrix
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Property                            Videos (000)      Share of Videos (%)
Total Internet : Total Audience      33,950,891             100.0
Google Sites                         14,628,095              43.1
Hulu                                  1,174,844               3.5
Microsoft Sites                         642,027               1.9
Vevo                                    430,257               1.3
Viacom Digital                          346,755               1.0
Yahoo! Sites                            336,314               1.0
CBS Interactive                         333,189               1.0
Turner Network                          331,897               1.0
Fox Interactive Media                   328,492               1.0
Facebook.com                            245,120               0.7
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*Rankings based on video content sites; excludes video server networks.
Online video includes both streaming and progressive download video.

Top 10 Video Content Properties by Viewers
Nearly 183 million viewers watched an average of 186 videos per viewer during the month of May. Google Sites attracted 144.6 million unique viewers during the month (101.2 videos per viewer), followed by Yahoo! Sites with 46.0 million viewers (7.3 videos per viewer), and Vevo with 45.6 million viewers (9.4 videos per viewer). Vevo jumped one position in the May ranking taking the #3 spot with 45.6 million viewers and an average of 9.4 videos per viewer.

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Top U.S. Online Video Content Properties* by Unique Viewers
May 2010
Total U.S. – Home/Work/University Locations
Source: comScore Video Metrix
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Property                           Unique           Average Videos
Viewers (000)    per Viewer
Total Internet : Total Audience    182,918               185.6
Google Sites                       144,550               101.2
Yahoo! Sites                        46,031                 7.3
Vevo                                45,579                 9.4
Facebook.com                        45,492                 5.4
Fox Interactive Media               44,266                 7.4
Hulu                                43,541                27.0
CBS Interactive                     41,028                 8.1
Microsoft Sites                     39,416                16.3
Turner Network                      35,307                 9.4
Viacom Digital                      34,572                10.0
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*Rankings based on video content sites; excludes video server networks.
Online video includes both streaming and progressive download video.

Top Video Ad Networks by Potential Reach
In May, Tremor Media ranked as the top video ad network with a potential reach of 102.8 million viewers, or 56.2 percent of the total video viewing audience. ScanScout Network ranked second with a potential reach of 99.3 million viewers (54.3 percent penetration) followed by YuMe Video Network with 87.5 million viewers (47.8 percent).

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Top U.S. Online Video Ad Networks by Potential Reach of Unique Viewers
May 2010
Total U.S. – Home/Work/University Locations
Source: comScore Video Metrix
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Property                                         Unique          Viewer
Viewers (000)   Penetration
Total Internet : Total Audience                  182,918           100.0
Tremor Media – Potential Reach                   102,787            56.2
ScanScout Network – Potential Reach               99,290            54.3
YuMe Video Network – Potential Reach              87,508            47.8
Adconion Video Network – Potential Reach          86,641            47.4
Advertising.com Video Network – Potential Reach   83,877            45.9
BBE – Potential Reach                             83,026            45.4
Break Media – Potential Reach                     80,869            44.2
SpotXchange Video Ad Network – Potential Reach    76,734            41.9
TidalTV – Potential Reach                         69,640            38.1
BrightRoll Video Network – Potential Reach        67,521            36.9
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Other notable findings from May 2010 include:

The top video ad networks in terms of their actual reach delivered were: Joost Video Network (by Adconion Media Group) with 35.2 percent penetration of online video viewers, BrightRoll Video Network with 24.4 percent, and Tremor Media Video Network with 21.2 percent.
84.8 percent of the total U.S. Internet audience viewed online video.
144.1 million viewers watched 14.6 billion videos on YouTube.com (101.2 videos per viewer).
The average Hulu viewer watched 27.0 videos, totaling 2.7 hours of video per viewer.
The duration of the average online video was 4.3 minutes.

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.