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.

elperiodico.com app-ads.txt check

elperiodico.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 75 of the 404 lines its 13 ad networks expect (81% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 509 lines, 483 unique records, 22 duplicates, 2 invalid lines, 25 ad networks detected.

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

Xandr (Microsoft) — account 9779: 1 line in the file
Amazon Publisher Services — accounts 3471, 9e5f4bde-d80a-4781-a0c4-6830afe45bdc: 2 lines in the file
Criteo — account B-061744: 1 line in the file
Meta Audience Network — account 519087708719576: 1 line in the file
Google AdMob — account pub-6702874616848017: 1 line in the file
Index Exchange — accounts 190905, 190917, 194087 and 1 more: 4 lines in the file
Sovrn — account 397546: 1 line in the file
Ogury — account d8b20c80-8042-40d6-8b65-e9056201961d: 9 lines in the file, 9 expected lines missing
OpenX — account 540717812: 1 line in the file
PubMatic — accounts 157743, 158710, 160408 and 1 more: 4 lines in the file
Magnite (Rubicon) — accounts 15782, 17280, 18618: 3 lines in the file
TripleLift — accounts 11154, 11154-EB, 4989 and 4 more: 7 lines in the file
Vungle — account 6a0c3381f5ee15a9aef71fa5: 40 lines in the file, 320 expected lines missing
Mintegral — partner (reseller) lines only: 30 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 10 lines in the file, 158 expected lines missing
BIGO Ads — partner (reseller) lines only: 33 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 93 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 42 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: 39 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 10 lines in the file, 155 expected lines missing
DSail — partner (reseller) lines only: 10 lines in the file, 155 expected lines missing
Bidmachine — partner (reseller) lines only: 62 lines in the file, 400 expected lines missing

Invalid lines

prensaiberica,1000,DIRECT
smaato.com,DIRECT,07bcf65f187117b4

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

FAQ

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

Yes — https://elperiodico.com/app-ads.txt has 509 lines (checked 19 Oct 2026).

Which ad networks does elperiodico.com work with?

Its app-ads.txt lists Xandr (Microsoft), Amazon Publisher Services, Criteo, Meta Audience Network, Google AdMob, Index Exchange, Sovrn, Ogury, OpenX, PubMatic, Magnite (Rubicon), TripleLift and 13 more.

elperiodico.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does elperiodico.com work with?

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

Other checked domains

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