Pixalate this week released the 2019 App-ads.txt and Ads.txt Trends Report. According to the report, last year, the implementation of App-ads.txt grew 5,550% last year, after DSPs like DV360 and Centro started to enforce App-ads.txt.
Pixalate is seeing 13% more invalid traffic in apps without app-ads.txt adoption.
According to Pixalate, there are now 1.2 million domains with ads.txt, and 73% of the iOS top 1k programmatic apps have app-ads.txt.
Google is the most declared SSP on App-ads.txt. 97% of all App-ads.txt files have Google listed. The second SSP is Rubicon Project, followed by OpenX, AppNexus, PubMatic, SpotX, and Index Exchange.