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.

matrimonio.com app-ads.txt check

matrimonio.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 8 ad networks expect (100% of 16 lines).

Checked 19 Oct 2026. 124 lines, 63 unique records, 6 duplicates, 0 invalid lines, 9 ad networks detected.

Ad networks in matrimonio.com/app-ads.txt

Amazon Publisher Services — account 3426: 1 line in the file
OpenX — accounts 539032238, 541217769, 540421395 and 1 more: 4 lines in the file
Xandr (Microsoft) — account 7260: 1 line in the file
Magnite (Rubicon) — account 12746: 1 line in the file
TripleLift — accounts 1293, 1276, 1276-EB: 3 lines in the file
PubMatic — accounts 159738, 159737, 159739 and 1 more: 4 lines in the file
Google AdMob — account pub-6271855784904498: 1 line in the file
Index Exchange — account 188129: 1 line in the file
Yango Ads — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing

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

FAQ

Does matrimonio.com have an app-ads.txt?

Yes — https://matrimonio.com/app-ads.txt has 124 lines (checked 19 Oct 2026).

Which ad networks does matrimonio.com work with?

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

Is the app-ads.txt of matrimonio.com correct?