April 22, 2015

Comscore Releases March 2015 U.S. Desktop Online Video Rankings

RESTON, VA, April 22, 2015 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the Comscore Video Metrix® service showing that 193.3 million Americans watched online content videos via desktop computer in March 2015. Google Sites ranked as the top video content property, BrightRoll Platform was the top video ad property, and VEVO topped the list of YouTube partner channels.

Top 10 Video Content Properties by Unique Viewers
Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in March with 150 million unique viewers. Facebook ranked #2 with 94.6 million viewers, followed by AOL, Inc. with 65.8 million, Yahoo Sites with 62.9 million and VEVO with 44.4 million.

Top U.S. Online Video* Content Properties Ranked by Unique Video Viewers
March 2015
Total U.S. – Desktop Computer, Home and Work Locations
Content Videos Only (Ad Videos Not Included)
Source: Comscore Video Metrix

*A video is defined as any streamed segment of audiovisual content, including both progressive downloads and live streams. For long-form, segmented content, (e.g. television episodes with ad pods in the middle) each segment of the content is counted as a distinct video stream.Video views are inclusive of both user-initiated and auto-played videos that are viewed for longer than 3 seconds.

Top 10 Video Ad Properties by Unique Viewer Percent Reach
BrightRoll Platform ranked #1 in video ad reach, serving ads to 53.6 percent of the total U.S. population in March. Specific Media came in second with 50.1 percent reach, followed by LiveRail with 43.6 percent, AOL, Inc. with 41.9 percent and Google Sites with 32 percent.

Top U.S. Online Video Ad* Properties Ranked by Percent Reach of U.S. Population
March 2015
Total U.S. – Desktop Computer, Home and Work Locations
Ad Videos Only (Content Videos Not Included)
Source: Comscore Video Metrix

*Video ads include streaming-video advertising only and do not include other types of video monetization, such as overlays, branded players, matching banner ads, etc.
**Indicates video ad network
†Indicates video ad exchange/DSP/SSP
‡Entity has assigned some portion of traffic to other syndicated entities.

Top 10 YouTube Partner Channels by Unique Viewers
The March 2015 YouTube partner data revealed that video music channel VEVO maintained the top position in the ranking with 43.5 million viewers. Disney/Maker Studios occupied the #2 spot with 42.4 million unique viewers, followed by Fullscreen with 32.6 million, Warner Music with 28 million and Warner Music with 25.5 million.

Top YouTube Partner Channels Ranked by Unique Video Viewers
March 2015
Total U.S. – Desktop Computer, Home and Work Locations
Content Videos Only (Ad Videos Not Included)
Source: Comscore Video Metrix

For more information: Request a Demo of Video Metrix

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in digital measurement and analytics, delivering insights on web, mobile and TV consumer behavior that enable clients to maximize the value of their digital investments. For more information, please visit www.comscore.com/companyinfo.