The online video tracking service comScore said 184 million U.S. Internet users watched videos in the record-breaking October, for an average of 21.1 hours per viewer.
Most of them viewed content on Google sites (YouTube), which hit a record high of 20.9 billion videos watched. That averaged out to about 7.1 hours of video time per viewer. Google sites attracted 161 million unique viewers.
Second in uniques was Facebook, with 59.8 million viewers, followed closely by music video service VEVO with 57 million. Microsoft sites (49.1 million) and Viacom Digital (48.2 million) rounded out the top 5 in uniques.
Hulu, which ranked ninth in unique visitors, came in second for total average viewer time at 3 hours 20 minutes.
Hulu, as usual, scored the highest number of video advertisement impressions, topping 1.3 billion. Time spent watching video ads totaled more than 3.2 billion minutes during October, with spots reaching 53 percent of the U.S. population an average of 47 times.
comScore noted: “The duration of the average online content video was 5.5 minutes, while the average online video ad was 0.4 minutes.”