comScore Online Video results - September

A few weeks ago, comScore relased data from the comScore Video Metrix service. It showed that 175 million U.S. Internet users watched online video content in September for an average of 14.4 hours per viewer. The total U.S. Internet audience engaged in more than 5.2 billion viewing sessions during the course of the month.

Top 10 Video Content Properties by Unique Viewers

• Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property with 144.2 million unique viewers.
• Yahoo! Sites captured the #2 spot with 54.4 million viewers
• Then came Facebook.com with 52.2 million viewers.
• Microsoft Sites jumped 3 positions in September, securing fourth place with 45.5 million viewers.

Google Sites had the highest number of overall viewing sessions with 1.9 billion and average time spent per viewer at 260 minutes, or 4.3 hours.

Other notable findings

• 83.9 percent of the total U.S. Internet audience viewed online video.
• The duration of the average online content video was 4.9 minutes, while the average online video ad was 0.4 minutes.
• Video ads accounted for 12.3 percent of all videos viewed and 1.2 percent of all minutes spent viewing video online.