Google’s DSP (former Doubleclick Bid Manager – DBM) is now allowing marketers and agencies to run campaigns on sites that support ads.txt authorized inventory, and exclude inventory from sites without the file.
- Advertisers can buy inventory on publishers using ads.txt or not without the ads.txt file.
- Advertisers can buy inventory only on publishers using ads.txt.
The last option is the most secure, as buyers are sure that they are only buying inventory on authorized sellers and exchanges declared by the publishers. However, this impacts the reach as the adoption of ads.txt is 90%.
Google says that is planning the second option (ads.txt-only inventory) as the default setting for Display & Video 360 by the end of 2018. “