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.

libero.it app-ads.txt check

libero.it is missing out on higher CPMs: its app-ads.txt lists only 123 of the 313 lines its 13 ad networks expect (61% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 675 lines, 589 unique records, 15 duplicates, 0 invalid lines, 30 ad networks detected.

Ad networks in libero.it/app-ads.txt

OpenX — accounts 539074103, 547642300, 566813356: 3 lines in the file
Criteo — account B-059152: 1 line in the file
Ogury — account 5b1e32bb-0b21-4b8d-83e5-e662a13aa66a: 8 lines in the file, 10 expected lines missing
Index Exchange — accounts 186033, 185308, 194122 and 1 more: 4 lines in the file
Amazon Publisher Services — accounts 3204, dd48ea54-daa8-44bb-8d5a-f0db72806508: 2 lines in the file
TripleLift — accounts 6698, 7850-EB: 2 lines in the file
Sovrn — accounts 257971, 257971-eb, 349013: 3 lines in the file
Xandr (Microsoft) — account 8183: 1 line in the file
PubMatic — accounts 156777, 158369, 83172: 3 lines in the file
Google AdMob — accounts pub-0627101520158699, pub-2441454515104767: 2 lines in the file
Magnite (Rubicon) — accounts 11334, 17962: 2 lines in the file
InMobi — accounts 362b3fb7ff754f1eb5f7ecb8f38e94cf, 38a5263faacd416ab549bf83f12375ad: 93 lines in the file, 180 expected lines missing
Meta Audience Network — account 786929544715289: 1 line in the file
Mintegral — partner (reseller) lines only: 82 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 48 lines in the file, 342 expected lines missing
Chartboost — partner (reseller) lines only: 55 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 36 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 24 lines in the file, 144 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 20 lines in the file, 124 expected lines missing
BIGO Ads — partner (reseller) lines only: 72 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 198 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 98 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 22 lines in the file, 400 expected lines missing
Monetrix — partner (reseller) lines only: 11 lines in the file, 82 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 46 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 16 lines in the file, 353 expected lines missing
Start.io — partner (reseller) lines only: 10 lines in the file, 147 expected lines missing
CAS.ai — partner (reseller) lines only: 24 lines in the file, 141 expected lines missing
DSail — partner (reseller) lines only: 24 lines in the file, 141 expected lines missing
Bidmachine — partner (reseller) lines only: 133 lines in the file, 400 expected lines missing

Corrected file: libero.it app-ads.txt (fixed).

FAQ

Does libero.it have an app-ads.txt?

Yes — https://libero.it/app-ads.txt has 675 lines (checked 20 Oct 2026).

Which ad networks does libero.it work with?

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

libero.it app-ads.txt check

Ad networks in libero.it/app-ads.txt

FAQ

Does libero.it have an app-ads.txt?

Which ad networks does libero.it work with?

Is the app-ads.txt of libero.it correct?

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