January 27, 2015

Comscore Releases December 2014 U.S. Desktop Online Video Rankings

RESTON, VA, January 27, 2015 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the Comscore Video Metrix® service showing that 195.7 million Americans watched online content videos via desktop computer in December 2014. 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 December with 163.8 million unique viewers. Facebook ranked #2 with 96.7 million viewers, followed by AOL, Inc. with 92.1 million, Blinkx with 85.1 million and Yahoo Sites with 57.1 million.

Top U.S. Online Video* Content Properties Ranked by Unique Video Viewers
December 2014
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 56.3 percent of the total U.S. population in December. Specific Media came in second with 56.2 percent reach, followed by LiveRail with 55.8 percent, SpotXchange Video Advertising Platform with 54.3 percent and AOL, Inc. with 50.9 percent.

Top U.S. Online Video Ad* Properties Ranked by Percent Reach of U.S. Population
December 2014
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

Top 10 YouTube Partner Channels by Unique Viewers
The December 2014 YouTube partner data revealed that video music channel VEVO maintained the top position in the ranking with 44.2 million viewers. Disney/Maker Studios occupied the #2 spot with 42.6 million unique viewers, followed by Fullscreen with 36.9 million, Machinima with 30.3 million and Warner Music with 26 million.

Top YouTube Partner Channels Ranked by Unique Video Viewers
December 2014
Total U.S. – Desktop Computer, Home and Work Locations
Content Videos Only (Ad Videos Not Included)
Source: Comscore 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.