The new May online video rankings from comScore show that 176 million US Internet users, or about 83.3 per cent of the US audience, viewed online videos last month, spending an average of 15.9 hours per viewer over the month. More than 5.6 billion viewing sessions were recorded that month by comScore.
Most of the viewing remained short, with the average duration only 5.2 minutes, while the length of average online video ad was 0.4 minutes. Google Sites, driven primarily by video viewing at YouTube, ranked as the top online video content property in May with 147.2 million unique viewers while viewers watched the most video ads at Hulu, which had 1.3 billion video ad impressions. Overall, Americans viewed 4.6 billion video ads in May.
Vevo was the 2nd ranked company for video viewing, with 60.4 million unique viewers, followed by Yahoo! Sites with 55.5 million viewers, Facebook.com with 48.2 million viewers and fifth ranked Viacom Digital with 46.5 million viewers.
Other TV brands in the top ten rankings of unique online video viewers included eighth-ranked Turner Digital with 35.2 million unique viewers, ninth-ranked NBCU with 30.6 million and Hulu in the 10th ranked position with 28.5 million.
Google Sites had the highest number of viewing sessions with more than 2.1 billion, and highest time spent per viewer at 311 minutes, crossing the 5-hour mark for the first time, comScore reported.
Americans viewed 4.6 billion video ads in May, about 12.6 per cent of all videos viewed, and spent more than 2.0 billion minutes watching them, about 1.2 percent of all minutes spent viewing video online, with Hulu delivering the highest duration of video ads at 560 million minutes.