Nearly 75% of web users in the US watched video online during May, according to ComScore, with sites run by Google proving most popular.
The average US internet user watched more than 2.5 hours of video via the web during the month, and sites run by Google topped the monthly rankings with both the most unique video streamers and the most video streamed.
Google sites grabbed 21% of all video streams in May, or 1.8 billion videos - 1.7 billion from Google subsidiary YouTube.com.
Fox Interactive Media ranked second, with 680 million streams, or 8% of the total, followed by Yahoo sites, with 387 million streams, or 4%, and Viacom Digital, with 237 million streams, or 2%. In all, Americans viewed more than 8.3 billion streaming videos online in May, ComScore said.
Google's streaming video audience totalled 64 million unique streamers, nearly half of the 132 million Americans who viewed online video streams in May, according to ComScore's research. Fox garnered 52 million unique streamers, with Yahoo pulling in 35 million, the report went on to note.
The average video stream was 2.5 minutes, with the average online video viewer consuming more than two per day, ComScore said.