The app-ads.txt meets the requirements for ads distributed through mobile app stores, connected television app stores, or other application distribution channels.
https://iabtechlab.com/ads-txt/
Advertising
Get access to data on 105,827 websites that are App-Ads.txt Customers. We know of 68,917 live websites using App-Ads.txt and an additional 36,910 sites that used App-Ads.txt historically and 36,590 websites in the United States.
Get a list of 105,827 websites using App-Ads.txt which includes location information, hosting data, contact details, 68,917 currently live websites and an additional 309,884 domains that redirect to sites in this list. 36,910 sites that used this technology previously and 36,590 websites in the United States currently using App-Ads.txt.
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