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Four Factors That Affect the Viewability of Digital Display Ads

by Ayaz Nanji  |  
January 8, 2015

More than half of digital display ad impressions are not actually seen by consumers, according to a recent report from Google.

The study, based on an analysis of July and October 2014 data from Google-owned advertising platforms such as DoubleClick, found that 56% of all display impressions are not viewable.

A display ad was considered viewable by the researchers when 50% of its pixels were in view on the screen for a minimum of one second. The viewability rate reflects the percentage of ads determined viewable out of the total number of ads measured.

Though the average viewability rate was just 44%, viewability for individual campaigns varied widely based on various circumstances, the analysis found. In particular, four factors were found to strongly influence ad viewability rates.

1. Publisher

Viewability is not evenly distributed across all publisher domains, the analysis found. In other words, a small number of publishers are serving most of the non-viewable impressions.

2. Page Position

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Ayaz Nanji is an independent digital strategist and a co-founder of ICW Content, a marketing agency specializing in content creation for brands and businesses. He is also a research writer for MarketingProfs. He has worked for Google/YouTube, the Travel Channel, AOL, and the New York Times.

LinkedIn: Ayaz Nanji

Twitter: @ayaznanji

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  • by Caroline Thu Jan 8, 2015 via web

    Hi Ayaz,

    Probably seems like a silly question - when you average viewability rate was just 44% do you mean to say the 56% is screened from view? So the ad is cut off due to being below the fold?

    Assume this is the case but it would be great if you could clarify. Thanks

  • by Tonya Cardinali Fri Jan 9, 2015 via web

    This is interesting but what can be done to increase viewability?

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