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Share of ad impressions that were untrackable on selected platforms due to the App Tracking Transparency (ATT) policy introduced by Apple in 3rd quarter 2021

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Sources

Release date

October 2021

Region

Worldwide

Survey time period

Q3 2021

Citation formats

Share of untrackable impressions due to Apple's App Tracking Transparency 2021

Published by ÌÇÐÄÆƽâ°æ Research Department, Feb 4, 2022
In the third quarter of 2021, iPhone accounted for ** percent of the mobile audience of Facebook; ** percent of the mobile audience chose not to be tracked after Apple introduced the App Tracking Transparency (ATT) policy, which resulted in ** percent of ad impressions which publishers were unable to track. According to the source, the impressions share was the same for the remaining platforms named in the data set.
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