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.

cbs.com app-ads.txt check

cbs.com is missing out on higher CPMs: its app-ads.txt has 1 invalid line and lists only 100 of the 398 lines its 14 ad networks expect (75% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 908 lines, 817 unique records, 3 duplicates, 1 invalid lines, 24 ad networks detected.

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

Amazon Publisher Services — accounts 14ade0f7-b010-4836-a983-e6a40fd17540, 5bb46a8a-4d0a-4eb6-8d58-ead9518d4f45, b39b21f7-13e5-48bf-bfec-e7a08dc831e5 and 9 more: 12 lines in the file
Google AdMob — accounts pub-1991679624331369, pub-7430585789101299, pub-4576182554845894 and 5 more: 8 lines in the file
Index Exchange — accounts 196427, 198933, 208201 and 10 more: 13 lines in the file
OpenX — accounts 539022633, 539169047, 539923853 and 10 more: 13 lines in the file
PubMatic — accounts 161578, 162275, 163962 and 11 more: 14 lines in the file
TripleLift — accounts 11529, 10714, 11507 and 13 more: 16 lines in the file
Smaato — accounts 1100058524, 1100058531: 2 lines in the file
AppLovin — account 65839: 4 lines in the file, 32 expected lines missing
Xandr (Microsoft) — accounts 8519, 3552, 6932 and 6 more: 9 lines in the file
Yahoo — accounts 59198, 59280, 57220: 3 lines in the file
InMobi — account 67b48212cf8a4f0ea5c960db2b3be89e: 6 lines in the file, 266 expected lines missing
Sovrn — account 205858: 1 line in the file
MobileFuse — account 4481: 1 line in the file
Magnite (Rubicon) — accounts 10970, 17568, 10113 and 2 more: 5 lines in the file
Mintegral — partner (reseller) lines only: 19 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 11 lines in the file, 379 expected lines missing
Chartboost — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 46 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 10 lines in the file, 359 expected lines missing
Bidmachine — partner (reseller) lines only: 32 lines in the file, 400 expected lines missing

Invalid lines

madhive.com, 0, RESELLER, b16d6d9e0982efe4 #INSTREAM #US

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

FAQ

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

Yes — https://cbs.com/app-ads.txt has 908 lines (checked 21 Oct 2026).

Which ad networks does cbs.com work with?

Its app-ads.txt lists Amazon Publisher Services, Google AdMob, Index Exchange, OpenX, PubMatic, TripleLift, Smaato, AppLovin, Xandr (Microsoft), Yahoo, InMobi, Sovrn and 12 more.

cbs.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does cbs.com work with?

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

Other checked domains

More