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.

immobilienscout24.de app-ads.txt check

immobilienscout24.de achieves the best ad optimization: its app-ads.txt has no errors and matches what its 9 ad networks expect (100% of 16 lines).

Checked 20 Oct 2026. 114 lines, 80 unique records, 6 duplicates, 0 invalid lines, 14 ad networks detected.

Ad networks in immobilienscout24.de/app-ads.txt

Magnite (Rubicon) — accounts 14982, 17836: 2 lines in the file
Google AdMob — account pub-7521299175489937: 1 line in the file
OpenX — accounts 539876743, 539854067: 2 lines in the file
Index Exchange — accounts 185725, 185898, 186957 and 1 more: 4 lines in the file
Xandr (Microsoft) — account 7177: 1 line in the file
TripleLift — accounts 6670, 6670-EB: 2 lines in the file
Yahoo — accounts 55440, 59024: 2 lines in the file
Amazon Publisher Services — account 5a19d558-815b-48d1-bac1-45f9b4fdc0c3: 1 line in the file
PubMatic — account 157967: 1 line in the file
Mintegral — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 18 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 20 lines in the file, 400 expected lines missing

Corrected file: immobilienscout24.de app-ads.txt (fixed).

FAQ

Does immobilienscout24.de have an app-ads.txt?

Yes — https://immobilienscout24.de/app-ads.txt has 114 lines (checked 20 Oct 2026).

Which ad networks does immobilienscout24.de work with?

Its app-ads.txt lists Magnite (Rubicon), Google AdMob, OpenX, Index Exchange, Xandr (Microsoft), TripleLift, Yahoo, Amazon Publisher Services, PubMatic, Mintegral, Chartboost, Yango Ads and 2 more.

Is the app-ads.txt of immobilienscout24.de correct?