ads.txt and Ad Manager: the errors that cost the most revenue
Ni
NightHawk
2026-05-09
A missing or malformed ads.txt line silently removes demand rather than throwing an error, which is why it goes unnoticed for months. The usual culprits are a wrong publisher ID, a missing reseller line after switching partners, or a redirect on the file itself. Here is the audit sequence.
Keep reading this discussion
The rest of this post and its 27 replies are visible to members only. Creating an account is free and takes a minute.
Sign up to read the full threadReplies (27)
Hunter
A 301 on /ads.txt cost us weeks of fill…
Sign up to read this replyTitan
Leave the old partner's lines up until the migration is fully done…
Sign up to read this reply- 25 more replies hidden. Create an account to see them.