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A Shiny New Metric: Ad Viewability Rate

Posted on 4.07.2015

There's a conversation happening that should prove interesting to online advertisers - viewability as an ad performance metric.

Google describes viewability rate as the, "Percentage of ads determined viewable out of the total number of ads measured." According to this infographic, the most viewable position is right above the fold, not at the top of the page.

The IAB has been quick to call 2015 a "year of transition," as it expects agencies, publishers, marketers and advertising technology companies to work together to assure the new currency of "viewability" (rather than "audience currency") can be implemented by all companies in the digital advertising ecosystem. The IAB's "State of Viewability Transaction 2015" serves as a starting point for advertisers looking for more information about viewability and the industry standards in which IAB is setting.

Taking this report a step further, Sizmek, an open ad management company for multiscreen campaigns, recently released its "Viewability Benchmark Report, Winter 2015." The study, conducted by Sizmek Research, analyzed viewability data from more than 240 billion measured impressions in 2014 to identify trends related to the newly defined ad performance metric.

The most significant finding is that Sizmek's research confirmed the IAB's recommendation of using a threshold of 70 percent of impressions across the campaign to meet the viewability standard – to be a reliable benchmark for ad performance. Further, this means that of all measured impressions – those that could be measured by a vendor’s tools – 70 percent of those campaigns’ impressions should meet the minimum standard viewability rate of 50 percent of the ad in view for at least one second. 

Several clear trends emerged from Sizmek data:

•         Ads with a 70 percent-plus viewable threshold had significantly higher performance across all measured impressions 

•         Viewable rates increase as advertisers adopt more interactive formats

•         HTML5 improved viewable rates more than Flash

•         Mobile-specific-sized creative was more viewable than desktop-sized creative for both publisher direct and DSPs/exchanges

•         Ads served direct to publishers increased viewability over ads served via programmatic (see image)

“The specifics and definitions will no doubt continue to be debated, but the recent efforts at standardizing viewability terminology move the industry toward a more transparent marketplace for digital ads, and our research backs that up,” said Alex White, VP Product Strategy at Sizmek. “Clearly, measuring whether an ad is viewable gives the industry a starting point for trading in true engagement.”

 


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