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.

ted.com app-ads.txt check

ted.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 5 ad networks expect (100% of 6 lines).

Checked 20 Oct 2026. 37 lines, 24 unique records, 0 duplicates, 0 invalid lines, 11 ad networks detected.

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

Magnite (Rubicon) — account 27260: 1 line in the file
Google AdMob — account pub-2776948722595256: 1 line in the file
PubMatic — account 167328: 1 line in the file
Index Exchange — account 212147: 1 line in the file
Sovrn — accounts 553261, 553261-eb: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 10 lines in the file, 158 expected lines missing
Yango Ads — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 10 lines in the file, 155 expected lines missing
DSail — partner (reseller) lines only: 10 lines in the file, 155 expected lines missing
Bidmachine — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://ted.com/app-ads.txt has 37 lines (checked 20 Oct 2026).

Which ad networks does ted.com work with?

Its app-ads.txt lists Magnite (Rubicon), Google AdMob, PubMatic, Index Exchange, Sovrn, Yandex Ads, Yango Ads, Verve (PubNative), CAS.ai, DSail, Bidmachine.

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