comScore Releases June U.S. Online Video Rankings; Total Unique Viewers - Google Leads, Followed by VEVO

comScore, Inc. SCOR today 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. Google Sites GOOG, 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 YHOO with 52.7 million viewers. Microsoft Sites MSFT came in fourth with 50.7 million viewers, while Viacom Digital VIA 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). 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.