Video ads in the the US saw another record-breaking month in April with nearly 9.5 billion views, representing one in five videos viewed online, according to the comScore Video Metrix.
The survey also showed that 181 million US internet users watched nearly 37 billion online content videos during the month.
As usual, Google sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in April with 157.7 million unique viewers, followed by Yahoo! Sites with 53.6 million, Vevo with 49.5 million, Facebook.com with 44.3 million and Microsoft Sites with 42.8 million.
Nearly 37 billion video views occurred during the month, with Google Sites generating the highest number at 17 billion, followed by Hulu with 901 million and Yahoo! Sites with 742 million. The average viewer watched 21.8 hours of online video content, with Google Sites (7.2 hours) and Hulu (3.8 hours) earning the highest average engagement among the top ten properties.
Americans viewed 9.5 billion video ads in April, representing another month of record video ad views. Hulu topped the chart with 1.6 billion video ads delivered, followed by Google Sites with 1.3 billion, BrightRoll Video Network with 943 million, Adap.tv with 881 million and TubeMogul Video Ad Platform with 831 million.
Time spent watching video ads totaled 3.9 billion minutes, with Hulu delivering the highest duration of video ads at 670 million minutes. Video ads reached 52% of the total U.S. population an average of 60 times during the month. Hulu delivered the highest frequency of video ads to its viewers with an average of 49, while ESPN delivered an average of 27 ads per viewer.
The April 2012 YouTube partner data revealed that video music channels Vevo (48.3 million viewers) and Warner Music (28.6 million viewers) maintained the top two positions. Gaming channel Machinima ranked third with 23.1 million viewers, followed by Maker Studios Inc. with 15.4 million, FullScreen with 12.3 million and BroadbandTV with 8.2 million.
Among the top 10 YouTube partners, Machinima demonstrated the highest engagement (65 minutes per viewer) followed by Vevo (57 minutes per viewer). Vevo streamed the most videos (644 million), followed by Machinima (382 million).