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.

webtoons.com app-ads.txt check

webtoons.com is missing out on higher CPMs: its app-ads.txt lists only 6,754 of the 8,080 lines its 27 ad networks expect (16% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 5,808 lines, 5,354 unique records, 366 duplicates, 0 invalid lines, 39 ad networks detected.

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

Google AdMob — accounts pub-6427234603333344, pub-3210045441029256: 2 lines in the file
Index Exchange — accounts 190589, 215539: 2 lines in the file
OpenX — accounts 557921900, 540094925, 565025604 and 4 more: 7 lines in the file
PubMatic — accounts 158419, 158232, 167832 and 2 more: 5 lines in the file
Magnite (Rubicon) — accounts 19822, 14334, 24228 and 1 more: 4 lines in the file
TripleLift — accounts 8035, 8035-EB, 6998 and 1 more: 4 lines in the file
Verve (PubNative) — accounts 1234567, 1007510, 1017215 and 3 more: 400 lines in the file, 103 expected lines missing
Smaato — accounts 1100054169, 1100060044, 110004021 and 4 more: 7 lines in the file
Meta Audience Network — account 3631399360252850: 1 line in the file
DT Exchange (Fyber) — accounts 222396, 211114: 400 lines in the file, 7 expected lines missing
InMobi — accounts bb9eac7387d04ef18ba5d5740994a101, ddb41d8a9f434a918d05a0fc9999d9f9, a3d4b4c5a9174d408bfc1a036f79f395 and 1 more: 226 lines in the file, 49 expected lines missing
AppLovin — accounts 5fe85ded86b69ed3d3ba25fdf1473cd6, d6ad9f13f399e612304a8a3b336573d1: 37 lines in the file
Chartboost — account 67ede2ba8b87382f3f3787f5: 400 lines in the file, 16 expected lines missing
Liftoff Monetize (Vungle) — accounts 6108e61a892d1200173b458c, 5d5a4104cec59b0017a0151f: 362 lines in the file, 30 expected lines missing
Unity Ads — account 3415664: 152 lines in the file, 9 expected lines missing
ironSource / LevelPlay — account 230504: 115 lines in the file, 11 expected lines missing
Mintegral — account 42005: 400 lines in the file, 21 expected lines missing
BlueSea — account 204037: 28 lines in the file, 10 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 6 more: 9 lines in the file
Bidmachine — accounts 595, 1057: 400 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — account 5135063: 265 lines in the file, 180 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 134 lines in the file, 31 expected lines missing
Start.io — account 117514417: 100 lines in the file, 58 expected lines missing
TikTok Ad Network (Pangle) — accounts 5014257, 70011, 5017598: 3 lines in the file
Xandr (Microsoft) — accounts 13101, 13698, 14416 and 1 more: 4 lines in the file
Yahoo — accounts 57872, 60013: 2 lines in the file
Display.io — accounts 2467001, 2467: 28 lines in the file, 6 expected lines missing
Yandex Ads — partner (reseller) lines only: 139 lines in the file, 29 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 103 lines in the file, 41 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 249 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 43 lines in the file, 6 expected lines missing
DSP Exchange — partner (reseller) lines only: 285 lines in the file, 276 expected lines missing
Madex — partner (reseller) lines only: 8 lines in the file, 10 expected lines missing
Monetrix — partner (reseller) lines only: 58 lines in the file, 35 expected lines missing
Prado — partner (reseller) lines only: 21 lines in the file, 6 expected lines missing
HyprMX — partner (reseller) lines only: 230 lines in the file, 139 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
DSail — partner (reseller) lines only: 134 lines in the file, 31 expected lines missing

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

FAQ

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

Yes — https://webtoons.com/app-ads.txt has 5,808 lines (checked 20 Oct 2026).

Which ad networks does webtoons.com work with?

Its app-ads.txt lists Google AdMob, Index Exchange, OpenX, PubMatic, Magnite (Rubicon), TripleLift, Verve (PubNative), Smaato, Meta Audience Network, DT Exchange (Fyber), InMobi, AppLovin and 27 more.

webtoons.com app-ads.txt check

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

FAQ

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

Which ad networks does webtoons.com work with?

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

Other checked domains

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