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.

goldenwords-c8da8.web.app app-ads.txt check

goldenwords-c8da8.web.app achieves the best ad optimization: its app-ads.txt has no errors and matches what its 2 ad networks expect (99% of 127 lines).

Checked 19 Oct 2026. 137 lines, 127 unique records, 1 duplicates, 0 invalid lines, 19 ad networks detected.

Ad networks in goldenwords-c8da8.web.app/app-ads.txt

Google AdMob — account pub-3941708984515071: 1 line in the file
ironSource / LevelPlay — account 665347: 125 lines in the file, 1 expected line missing
Mintegral — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 60 lines in the file, 100 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 27 lines in the file, 363 expected lines missing
Chartboost — partner (reseller) lines only: 20 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 27 lines in the file, 244 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 34 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 14 lines in the file, 154 expected lines missing
BIGO Ads — partner (reseller) lines only: 39 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 86 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 40 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 13 lines in the file, 356 expected lines missing
Start.io — partner (reseller) lines only: 11 lines in the file, 146 expected lines missing
Kidoz — partner (reseller) lines only: 6 lines in the file, 16 expected lines missing
CAS.ai — partner (reseller) lines only: 13 lines in the file, 152 expected lines missing
DSail — partner (reseller) lines only: 13 lines in the file, 152 expected lines missing
Bidmachine — partner (reseller) lines only: 49 lines in the file, 400 expected lines missing

Corrected file: goldenwords-c8da8.web.app app-ads.txt (fixed).

FAQ

Does goldenwords-c8da8.web.app have an app-ads.txt?

Yes — https://goldenwords-c8da8.web.app/app-ads.txt has 137 lines (checked 19 Oct 2026).

Which ad networks does goldenwords-c8da8.web.app work with?

Its app-ads.txt lists Google AdMob, ironSource / LevelPlay, Mintegral, Unity Ads, Liftoff Monetize (Vungle), Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads, BIGO Ads, Yango Ads, Maticoo (zMaticoo) and 7 more.

Is the app-ads.txt of goldenwords-c8da8.web.app correct?