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.

android-random-apps.web.app app-ads.txt check

android-random-apps.web.app achieves the best ad optimization: its app-ads.txt has no errors and matches what its 2 ad networks expect (100% of 2 lines).

Checked 20 Oct 2026. 67 lines, 62 unique records, 0 duplicates, 0 invalid lines, 5 ad networks detected.

Ad networks in android-random-apps.web.app/app-ads.txt

Google AdMob — accounts pub-6333338080945933, pub-9655119070026838, pub-1067374679252537 and 5 more: 8 lines in the file
Meta Audience Network — account 1149223445501693: 1 line in the file
Chartboost — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing

Corrected file: android-random-apps.web.app app-ads.txt (fixed).

FAQ

Does android-random-apps.web.app have an app-ads.txt?

Yes — https://android-random-apps.web.app/app-ads.txt has 67 lines (checked 20 Oct 2026).

Which ad networks does android-random-apps.web.app work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, Chartboost, Yango Ads, DSP Exchange.

Is the app-ads.txt of android-random-apps.web.app correct?