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.

zackywalkthrough.xtgem.com app-ads.txt check

zackywalkthrough.xtgem.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 5 ad networks expect (100% of 12 lines).

Checked 20 Oct 2026. 90 lines, 90 unique records, 0 duplicates, 0 invalid lines, 9 ad networks detected.

Ad networks in zackywalkthrough.xtgem.com/app-ads.txt

Google AdMob — account pub-9313957408204514: 1 line in the file
Criteo — accounts 180031, 181330, 180034 and 4 more: 7 lines in the file
PubMatic — accounts 157335, 156736: 2 lines in the file
OpenX — account 540310752: 1 line in the file
Magnite (Rubicon) — account 19652: 1 line in the file
Mintegral — partner (reseller) lines only: 25 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 11 lines in the file, 133 expected lines missing
Yango Ads — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing

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

FAQ

Does zackywalkthrough.xtgem.com have an app-ads.txt?

Yes — https://zackywalkthrough.xtgem.com/app-ads.txt has 90 lines (checked 20 Oct 2026).

Which ad networks does zackywalkthrough.xtgem.com work with?

Its app-ads.txt lists Google AdMob, Criteo, PubMatic, OpenX, Magnite (Rubicon), Mintegral, Chartboost, VK Ads (myTarget), Yango Ads.

Is the app-ads.txt of zackywalkthrough.xtgem.com correct?