comScore Releases June 2011 US Online Video Rankings

Content Viewing Sessions Surpass 6 Billion for First Time

RESTON, VA – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, released data from the comScore Video Metrix service showing that 178 million U.S. Internet users watched online video content in June for an average of 16.8 hours per viewer. The total U.S. Internet audience engaged in more than 6.2 billion viewing sessions during the course of the month, an all-time high.

Top 10 Video Content Properties by Unique Viewers

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Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in June with 149.3 million unique viewers, followed by VEVO with 63.0 million viewers and Yahoo! Sites with 52.7 million viewers. Microsoft Sites came in fourth with 50.7 million viewers, while Viacom Digital ranked fifth with 49.5 million viewers. Total viewing sessions surpassed the 6 billion mark for the first time, with Google Sites generating the highest number of viewing sessions (2.3 billion) and highest time spent per viewer (324 minutes, or 5.4 hours).

Top U.S. Online Video Properties Ranked by Unique Video Viewers
June 2011
Total U.S. – Home/Work/University Locations
Source: comScore Video Metrix
Property Total Unique Viewers (000) Viewing Sessions* (000) Minutes per Viewer
Total Internet : Total Audience 178,447 6,255,493 1,008.3
Google Sites 149,281 2,311,116 324.1
VEVO 63,003 399,503 112.0
Yahoo! Sites 52,665 247,834 34.8
Microsoft Sites 50,663 286,892 32.8
Viacom Digital 49,493 274,933 76.8
Facebook.com 47,687 167,137 20.7
AOL, Inc. 43,915 251,987 49.3
Turner Digital 30,063 121,301 46.2
Hulu 26,701 156,939 184.8
Amazon Sites 21,247 43,193 8.3

*A viewing session is defined as a period of time with continuous video viewing followed by a 30-minute period of video inactivity.

Top 10 Video Ad Properties by Video Ads Viewed

Americans viewed nearly 5.3 billion video ads in June, with Hulu generating the highest number of video ad impressions at more than 1.0 billion. Tremor Media Video Network ranked second overall (and highest among video ad networks) with 753 million ad views, followed by Adap.tv (678 million) and BrightRoll Video Network (629 million). Time spent watching videos ads totaled more than 2.2 billion minutes during the month, with Tremor Media Video Network delivering the highest duration of video ads at 429 million minutes. Video ads reached 49 percent of the total U.S. population an average of 35.6 times during the month. Hulu delivered the highest frequency of video ads to its viewers with an average of 38.8 over the course of the month.

Top U.S. Online Video Properties by Video Ads* Viewed
Ranked by Video Ads Viewed
June 2011
Total U.S. – Home/Work/University Locations
Source: comScore Video Metrix
Property Video Ads (000) Total Ad Minutes (MM) Frequency (Ads per Viewer) % Reach Total U.S. Population
Total Internet : Total Audience 5,286,917 2,286 35.6 49.2%
Hulu 1,001,736 424 38.8 8.6%
Tremor Media Video Network** 753,034 429 12.1 20.7%
Adap.tv† 677,708 386 11.0 20.5%
BrightRoll Video Network** 628,600 369 9.5 21.9%
Specific Media** 421,722 214 6.8 20.4%
Undertone** 332,597 171 13.2 8.3%
SpotXchange Video Ad Network** 281,859 171 7.8 11.9%
Viacom Digital 275,230 134 10.4 8.8%
Microsoft Sites 226,951 125 9.2 8.2%
AOL, Inc. 217,347 85 7.3 9.9%

*Video ads include streaming-video advertising only and do not include other types of video monetization, such as overlays, branded players, matching banner ads, homepage ads, etc.
**Indicates video ad network
†Indicates video ad exchange

Other notable findings from June 2011 include:

– The top video ad networks in terms of their potential reach of the total U.S. population were: Tremor Media at 44.3 percent, BrightRoll Video Network at 38.5 percent and Break Media at 37.6 percent.
– 85.6 percent of the U.S. Internet audience viewed online video.
– The duration of the average online content video was 5.4 minutes, while the average online video ad was 0.4 minutes.
– Video ads accounted for 13.6 percent of all videos viewed and 1.3 percent of all minutes spent viewing video online.

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