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.

cdreader.com app-ads.txt check

cdreader.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 6,023 of the 8,597 lines its 20 ad networks expect (30% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 4,424 lines, 3,687 unique records, 735 duplicates, 2 invalid lines, 36 ad networks detected.

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

Google AdMob — accounts pub-1669209234634531, pub-1864771966688541: 2 lines in the file
AppLovin — account 21faf71858cde44e5f3a078e89a7b49e: 36 lines in the file
Meta Audience Network — account 264366644083876: 1 line in the file
PubMatic — accounts 160565, 158060, 95054: 3 lines in the file
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
Unity Ads — account 3597016: 98 lines in the file, 63 expected lines missing
InMobi — accounts b3bc9d14aa7f427fa0b46ebf86ae8131, 5992f92bb5a64988b29dbc9fb15b8fc8, ddb41d8a9f434a918d05a0fc9999d9f9 and 1 more: 215 lines in the file, 60 expected lines missing
Index Exchange — account 192585: 1 line in the file
Mintegral — accounts 30678, 22942: 400 lines in the file, 43 expected lines missing
Criteo — accounts B-057702, B-063105: 2 lines in the file
Maticoo (zMaticoo) — accounts 16538bc4f58e83, 5135063: 227 lines in the file, 219 expected lines missing
Liftoff Monetize (Vungle) — account 62a858f7348a840017e80ac5: 391 lines in the file
Bidmachine — account 1499: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 411915, 563477: 2 lines in the file
OpenX — account 563905670: 1 line in the file
TripleLift — account 6998: 1 line in the file
BlueSea — account 204037: 25 lines in the file, 13 expected lines missing
BIGO Ads — account 23171600: 400 lines in the file, 105 expected lines missing
Yandex Ads — account 326523039: 169 lines in the file
Yango Ads — account 326523039: 400 lines in the file, 400 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 71 lines in the file, 54 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 237 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 276 lines in the file, 174 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 103 lines in the file, 41 expected lines missing
Bidease — partner (reseller) lines only: 33 lines in the file, 16 expected lines missing
Display.io — partner (reseller) lines only: 10 lines in the file, 22 expected lines missing
DSP Exchange — partner (reseller) lines only: 269 lines in the file, 292 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Monetrix — partner (reseller) lines only: 48 lines in the file, 45 expected lines missing
Prado — partner (reseller) lines only: 12 lines in the file, 15 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 189 lines in the file, 180 expected lines missing
Start.io — partner (reseller) lines only: 112 lines in the file, 45 expected lines missing
Kidoz — partner (reseller) lines only: 7 lines in the file, 15 expected lines missing
CAS.ai — partner (reseller) lines only: 158 lines in the file, 7 expected lines missing
DSail — partner (reseller) lines only: 158 lines in the file, 7 expected lines missing

Invalid lines

ardenodemedia.com, 6722177159 RESELLER
singularads, 548745, RESELLER

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

FAQ

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

Yes — https://cdreader.com/app-ads.txt has 4,424 lines (checked 21 Oct 2026).

Which ad networks does cdreader.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, Meta Audience Network, PubMatic, TikTok Ad Network (Pangle), Unity Ads, InMobi, Index Exchange, Mintegral, Criteo, Maticoo (zMaticoo), Liftoff Monetize (Vungle) and 24 more.

cdreader.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does cdreader.com work with?

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

Other checked domains

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