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.

meteoearth.com app-ads.txt check

meteoearth.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 10 ad networks expect (100% of 23 lines).

Checked 19 Oct 2026. 580 lines, 339 unique records, 81 duplicates, 0 invalid lines, 23 ad networks detected.

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

Google AdMob — accounts pub-1621081078810450, pub-9059459223633196, pub-9361511324854761 and 4 more: 7 lines in the file
Magnite (Rubicon) — accounts 20884, 23844, 13702: 3 lines in the file
OpenX — accounts 540938618, 540650310: 2 lines in the file
Criteo — account B-056930: 1 line in the file
Index Exchange — accounts 186407, 190906, 185104: 3 lines in the file
Sovrn — accounts 267370, 267370-eb, 244287 and 1 more: 4 lines in the file
TripleLift — accounts 3084, 3084-EB, 9789: 3 lines in the file
Amazon Publisher Services — accounts 8b48e249-e9e6-4a52-8b48-396ea93403e8, 2840f06c-5d89-4853-a03e-3bfa567dd33c: 2 lines in the file
Xandr (Microsoft) — accounts 11429, 9538: 2 lines in the file
PubMatic — accounts 157898, 159302: 2 lines in the file
Mintegral — partner (reseller) lines only: 54 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 24 lines in the file, 366 expected lines missing
Chartboost — partner (reseller) lines only: 27 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 20 lines in the file, 251 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 15 lines in the file, 129 expected lines missing
BIGO Ads — partner (reseller) lines only: 27 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 87 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 81 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 19 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 23 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 13 lines in the file, 356 expected lines missing
Bidmachine — partner (reseller) lines only: 49 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://meteoearth.com/app-ads.txt has 580 lines (checked 19 Oct 2026).

Which ad networks does meteoearth.com work with?

Its app-ads.txt lists Google AdMob, Magnite (Rubicon), OpenX, Criteo, Index Exchange, Sovrn, TripleLift, Amazon Publisher Services, Xandr (Microsoft), PubMatic, Mintegral, Liftoff Monetize (Vungle) and 11 more.

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