How Much of a Typical Video Online Is Actually Watched? - 8 views
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Adam Bohannon on 19 May 10Online video viewers' short attention span seems especially relevant to advertisers looking to strategically trim ad budgets as the economy contracts. For starters, it is clear that post-roll ads are of limited effectiveness. A three minute video that has a post-roll ad in the final seconds, for example, will only be viewed by 16.62% of the initial audience, on average. Another takeaway is that overlay ads should be displayed as early as possible in a video, preferably within the first few seconds. On YouTube, where most overlay ads appear at about 10 seconds in, 10.39% of a video's initial viewers are not likely seeing the ad.