Research shows size, duration, quality of web video soars, h.264 most-used codec

New research shows that the size, duration, quality and usage of the mean web video has grown significantly over time, more than tripling since 2003.

video codec usage

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According to Website Optimization, video duration has increased from just 45 seconds in 1997, to two minutes in 2003 and more than four-and-a-half minutes in 2011. The actual size of online videos has grown as well, from 200 Kbps in 2003 to 300 Kbps in 2010.

Using data from a study done by Worcester Polytechnic Institute grad student Rabin Karki, who analyzed streaming media stored on the web at more than 20 million URLs, h.264 remains the most used video codec at 27.6 percent, followed by Flash video (23.2 percent), MPEG-4 (19.1 percent), Real Video 30 (18 percent), Windows Media Video 3 (2.8 percent), RV20 (2.6 percent), RV40 (2.6 percent), VP6 (0.7 percent) and WMV2 (0.6 percent). Overall, Karki said, he encountered 36 video codecs in his analysis.

Kari also found 55 percent of videos encountered had resolutions of 320x240; about 30 percent had resolutions above 320x240 and at or below 640x480 pixels.

For more:
- see this release

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