comScore has released data from the comScore Video Metrix service showing that 182.5 million Americans watched 39.3 billion online content videos in March 2013.
Not surprisingly, the number of video ad views reached an all-time high at 13.2 billion.
Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in March with 153.9 million unique viewers, followed by Facebook with 63.8 million, VEVO with 52 million, Yahoo! Sites with 50.3 million and Viacom Digital with 43.8 million.
comScore says that more than 39 billion video content views occurred during the month, with Google Sites generating the highest number at 12.8 billion and Facebook reaching an all-time high for the second consecutive month with nearly 706 million.
Google Sites had the highest average engagement among the top ten properties, the report shows.
To learn more, you can review the comScore data here.