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.

forvo.com app-ads.txt check

forvo.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 138 of the 572 lines its 15 ad networks expect (76% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 1,241 lines, 1,198 unique records, 27 duplicates, 2 invalid lines, 30 ad networks detected.

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

Google AdMob — accounts pub-0150799313779142, pub-5615155558380941, pub-8278416939377896 and 8 more: 11 lines in the file
Xandr (Microsoft) — accounts 8233, 2928, 9982 and 15 more: 18 lines in the file
PubMatic — accounts 81564, 158127, 158145 and 10 more: 13 lines in the file
Magnite (Rubicon) — accounts 13510, 22994, 22996 and 11 more: 14 lines in the file
OpenX — accounts 539966405, 540860183, 541144890 and 5 more: 8 lines in the file
Amazon Publisher Services — accounts 93aec77c-f6d2-45bd-affc-a85ab5a72683, d2c1d4de-7c69-49c2-8aec-7ee14abe5ed5, 79e40b05-e673-4b6c-85f9-79252a7f96a5 and 3 more: 6 lines in the file
Index Exchange — accounts 186329, 190243, 192106 and 13 more: 16 lines in the file
Sovrn — accounts 268876, 279116, 323999 and 20 more: 23 lines in the file
TripleLift — accounts 7001, 8683: 2 lines in the file
Criteo — accounts b-062041, b-060278, b-060555 and 3 more: 6 lines in the file
Yahoo — accounts 58799, 58578, 55248 and 1 more: 4 lines in the file
Ogury — account 1e248c15-9fca-41d3-b09b-cca191160e17: 2 lines in the file, 16 expected lines missing
Smaato — accounts 1100052445, 1100048492: 2 lines in the file
Yandex Ads — account 91473013: 13 lines in the file, 156 expected lines missing
InMobi — accounts 91346250dd664b86878eef0420d8e0d3, 7f4b0b3e3efb4133b3563cb482b9c8f5: 11 lines in the file, 262 expected lines missing
Mintegral — partner (reseller) lines only: 61 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 31 lines in the file, 359 expected lines missing
Chartboost — partner (reseller) lines only: 55 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 23 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 30 lines in the file, 114 expected lines missing
BIGO Ads — partner (reseller) lines only: 56 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 117 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 80 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 29 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 46 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 19 lines in the file, 350 expected lines missing
Start.io — partner (reseller) lines only: 10 lines in the file, 147 expected lines missing
CAS.ai — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
DSail — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
Bidmachine — partner (reseller) lines only: 83 lines in the file, 400 expected lines missing

Invalid lines

smartadserver.com, 4174 direct,
mgid.com, 224829 direct, d4c29acad76ce94f

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

FAQ

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

Yes — https://forvo.com/app-ads.txt has 1,241 lines (checked 19 Oct 2026).

Which ad networks does forvo.com work with?

Its app-ads.txt lists Google AdMob, Xandr (Microsoft), PubMatic, Magnite (Rubicon), OpenX, Amazon Publisher Services, Index Exchange, Sovrn, TripleLift, Criteo, Yahoo, Ogury and 18 more.

forvo.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does forvo.com work with?

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

Other checked domains

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