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.

rfm.fr app-ads.txt check

rfm.fr achieves the best ad optimization: its app-ads.txt has no errors and matches what its 6 ad networks expect (100% of 9 lines).

Checked 19 Oct 2026. 136 lines, 122 unique records, 2 duplicates, 0 invalid lines, 16 ad networks detected.

Ad networks in rfm.fr/app-ads.txt

Sovrn — account 397546: 1 line in the file
Xandr (Microsoft) — accounts 2928, 8233: 2 lines in the file
Magnite (Rubicon) — accounts 13510, 17280, 17912: 3 lines in the file
Yahoo — account 58578: 1 line in the file
PubMatic — account 157743: 1 line in the file
Google AdMob — accounts pub-1005272636684943, pub-8528564786755741: 2 lines in the file
Mintegral — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 10 lines in the file, 158 expected lines missing
BIGO Ads — partner (reseller) lines only: 19 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 32 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
DSail — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
Bidmachine — partner (reseller) lines only: 34 lines in the file, 400 expected lines missing

Corrected file: rfm.fr app-ads.txt (fixed).

FAQ

Does rfm.fr have an app-ads.txt?

Yes — https://rfm.fr/app-ads.txt has 136 lines (checked 19 Oct 2026).

Which ad networks does rfm.fr work with?

Its app-ads.txt lists Sovrn, Xandr (Microsoft), Magnite (Rubicon), Yahoo, PubMatic, Google AdMob, Mintegral, Yandex Ads, BIGO Ads, Yango Ads, DSP Exchange, Maticoo (zMaticoo) and 4 more.

Is the app-ads.txt of rfm.fr correct?