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.

marinetraffic.com app-ads.txt check

marinetraffic.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. 345 lines, 279 unique records, 12 duplicates, 0 invalid lines, 16 ad networks detected.

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

Google AdMob — accounts pub-1312707765089516, pub-4387665486949548, pub-2534592860095573 and 3 more: 6 lines in the file
TripleLift — accounts 9246, 9772, 9772-EB: 3 lines in the file
Amazon Publisher Services — account 48266a61-b3d9-4cb7-b172-553abc6a42a4: 1 line in the file
OpenX — accounts 540361384, 540447818: 2 lines in the file
Magnite (Rubicon) — account 20390: 1 line in the file
Index Exchange — accounts 188611, 188890, 189540: 3 lines in the file
PubMatic — account 157601: 1 line in the file
Sovrn — accounts 90289, 90289-eb, 345856 and 1 more: 4 lines in the file
Mintegral — partner (reseller) lines only: 22 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 23 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 42 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 25 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 29 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://marinetraffic.com/app-ads.txt has 345 lines (checked 19 Oct 2026).

Which ad networks does marinetraffic.com work with?

Its app-ads.txt lists Google AdMob, TripleLift, Amazon Publisher Services, OpenX, Magnite (Rubicon), Index Exchange, PubMatic, Sovrn, Mintegral, Chartboost, BIGO Ads, Yango Ads and 4 more.

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