An IAB Tech Lab standard that lets app publishers declare which ad networks are authorized to sell their inventory.

Where do I put the app-ads.txt file?

At the root of the developer website listed in your App Store / Google Play page, e.g. https://studio.com/app-ads.txt.

What is a Certification Authority ID?

An optional TAG-ID of the ad system, the 4th field of an app-ads.txt record.

appmemobitech.blogspot.com app-ads.txt check

appmemobitech.blogspot.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 20 lines, 17 unique records, 0 duplicates, 2 invalid lines, 2 ad networks detected.

Ad networks in appmemobitech.blogspot.com/app-ads.txt

Google AdMob — accounts pub-1067374679252537, pub-8889521925001450, pub-7839649756834603 and 1 more: 4 lines in the file
Meta Audience Network — account 263651484312857: 1 line in the file

Invalid lines

google.com, pub-7839649756834603, DIRECT, f08c47fec0942fa0 /Premium Google AdX Demand by [email protected]
google.com, pub-3184487253168181, DIRECT, f08c47fec0942fa0 [email protected]

Corrected file: appmemobitech.blogspot.com app-ads.txt (fixed).

FAQ

Does appmemobitech.blogspot.com have an app-ads.txt?

Yes — https://appmemobitech.blogspot.com/app-ads.txt has 20 lines (checked 20 Oct 2026).

Which ad networks does appmemobitech.blogspot.com work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network.

Is the app-ads.txt of appmemobitech.blogspot.com correct?