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.

kzsoftjpsite.web.app app-ads.txt check

kzsoftjpsite.web.app is missing out on higher CPMs: its app-ads.txt lists only 24 of the 39 lines its 4 ad networks expect (38% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 42 lines, 42 unique records, 0 duplicates, 0 invalid lines, 6 ad networks detected.

Ad networks in kzsoftjpsite.web.app/app-ads.txt

Google AdMob — account pub-1103888074460513: 1 line in the file
AppLovin — account c009393363c0fed32bc59a858ab7c114: 21 lines in the file, 15 expected lines missing
Magnite (Rubicon) — account 22884: 1 line in the file
OpenX — account 559823130: 1 line in the file
Liftoff Monetize (Vungle) — partner (reseller) lines only: 10 lines in the file, 380 expected lines missing
Yango Ads — partner (reseller) lines only: 23 lines in the file, 400 expected lines missing

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

FAQ

Does kzsoftjpsite.web.app have an app-ads.txt?

Yes — https://kzsoftjpsite.web.app/app-ads.txt has 42 lines (checked 21 Oct 2026).

Which ad networks does kzsoftjpsite.web.app work with?

Its app-ads.txt lists Google AdMob, AppLovin, Magnite (Rubicon), OpenX, Liftoff Monetize (Vungle), Yango Ads.

kzsoftjpsite.web.app app-ads.txt check

Ad networks in kzsoftjpsite.web.app/app-ads.txt

FAQ

Does kzsoftjpsite.web.app have an app-ads.txt?

Which ad networks does kzsoftjpsite.web.app work with?

Is the app-ads.txt of kzsoftjpsite.web.app correct?

Other checked domains

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