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.

elcorreo.com app-ads.txt check

elcorreo.com is missing out on higher CPMs: its app-ads.txt has 3 invalid lines and lists only 134 of the 402 lines its 14 ad networks expect (67% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 1,477 lines, 1,255 unique records, 179 duplicates, 3 invalid lines, 31 ad networks detected.

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

Xandr (Microsoft) — accounts 8181, 8233, 10535 and 6 more: 9 lines in the file
Google AdMob — accounts pub-7835502526421767, pub-7995104076770938, pub-2859204820585993 and 14 more: 17 lines in the file
Amazon Publisher Services — accounts 5107, 3470, ea05d466-f785-4b9a-a030-6fdc6a39498f and 6 more: 9 lines in the file
PubMatic — accounts 161698, 159099, 161852 and 13 more: 16 lines in the file
Index Exchange — accounts 209842, 186326, 187747 and 10 more: 13 lines in the file
TripleLift — accounts 7058, 10281, 10281-EB and 11 more: 14 lines in the file
Ogury — account 5b6e6111-6ba2-4ec9-9c62-dcd8d10aa1d0: 9 lines in the file, 9 expected lines missing
Magnite (Rubicon) — accounts 18554, 18614, 13510 and 12 more: 15 lines in the file
OpenX — accounts 540158169, 537149888, 539625136 and 13 more: 16 lines in the file
Sovrn — accounts 277115, 277115-eb, 408376-eb and 10 more: 13 lines in the file
Smaato — account 1100037086: 1 line in the file
Yahoo — accounts 58578, 55774, 58909: 3 lines in the file
InMobi — accounts 3068e448cc0543aaa44220e2fa2b0bad, 8553511ff9e24ce2b1f5d98addcc3340: 14 lines in the file, 259 expected lines missing
Criteo — accounts B-059543, B-061291: 2 lines in the file
Mintegral — partner (reseller) lines only: 89 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 13 lines in the file, 147 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 13 lines in the file, 112 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 45 lines in the file, 345 expected lines missing
Chartboost — partner (reseller) lines only: 76 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 39 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 22 lines in the file, 146 expected lines missing
BIGO Ads — partner (reseller) lines only: 105 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 184 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 86 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 47 lines in the file, 397 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 90 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 32 lines in the file, 337 expected lines missing
Start.io — partner (reseller) lines only: 19 lines in the file, 138 expected lines missing
CAS.ai — partner (reseller) lines only: 21 lines in the file, 144 expected lines missing
DSail — partner (reseller) lines only: 21 lines in the file, 144 expected lines missing
Bidmachine — partner (reseller) lines only: 208 lines in the file, 400 expected lines missing

Invalid lines

webtvasia, 6018357107, DIRECT
dentsu.com 71228, RESELLER
nativo.com, RESELLER, 59521ca7cc5e9fee

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

FAQ

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

Yes — https://elcorreo.com/app-ads.txt has 1,477 lines (checked 20 Oct 2026).

Which ad networks does elcorreo.com work with?

Its app-ads.txt lists Xandr (Microsoft), Google AdMob, Amazon Publisher Services, PubMatic, Index Exchange, TripleLift, Ogury, Magnite (Rubicon), OpenX, Sovrn, Smaato, Yahoo and 19 more.

elcorreo.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does elcorreo.com work with?

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

Other checked domains

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