graphic results online videoOnline video continues to flourish, with comScore reporting that a record-breaking 6.2 billion viewing sessions took place during the month of June, 2011. 178 million U.S. Internet users watched an average of 16.8 hours per viewer over the course of the month.

Google sites, (driven primarily by YouTube), continue to be at the forefront with 149.3 million unique viewers, followed by VEVO with 63 million viewers and Yahoo! sites with 52.7 million viewers. Closely following Yahoo! in fourth place is Microsoft with 50.7 million unique viewers, Viacom is in fifth place with 49.5 million views, followed by Facebook in sixth place with 47.7 million viewers.

Hulu, which attracted a total of 26.7 million unique viewers and thus ranking it ninth in number of unique viewers, ranked second in the number of minutes per viewer. With 184.8 minutes per viewer, it was only topped by Google sites which had an average of 324.1 minutes. Hulu also generated the highest number of video ad impressions, accounting for more than 1 billion out of the 5.3 billion total U.S. online video ads viewed in June.

June´s survey also revealed that the duration of the average online content video was 5.4 minutes, while the average online video ad was 0.4 minutes.