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.

speedtest.net app-ads.txt check

speedtest.net is missing out on higher CPMs: its app-ads.txt lists only 108 of the 1,626 lines its 12 ad networks expect (93% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 327 lines, 279 unique records, 0 duplicates, 0 invalid lines, 27 ad networks detected.

Ad networks in speedtest.net/app-ads.txt

PubMatic — accounts 157326, 159224, 159349 and 1 more: 4 lines in the file
Index Exchange — accounts 192481, 193226, 201036 and 2 more: 5 lines in the file
Smaato — accounts 1100059719, 1100060142: 2 lines in the file
Google AdMob — accounts pub-1884113863780622, pub-9914992914910847, pub-1273248303616359 and 1 more: 4 lines in the file
Magnite (Rubicon) — account 12822: 1 line in the file
OpenX — accounts 539079344, 539074089, 539164681 and 1 more: 4 lines in the file
InMobi — account bef5da4ef6a9452ba79d3d4bdcd05a71: 24 lines in the file, 248 expected lines missing
Xandr (Microsoft) — account 18062: 1 line in the file
Amazon Publisher Services — account 20b92d6f-1890-4caa-8526-712ad7cb9c80: 1 line in the file
Verve (PubNative) — accounts 1007684, 1007671, 1008791: 63 lines in the file, 400 expected lines missing
TripleLift — accounts 12458, 12458-EB: 2 lines in the file
Sovrn — account 235106: 1 line in the file
AppLovin — partner (reseller) lines only: 7 lines in the file, 28 expected lines missing
Mintegral — partner (reseller) lines only: 51 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 22 lines in the file, 368 expected lines missing
Chartboost — partner (reseller) lines only: 49 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 33 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 14 lines in the file, 154 expected lines missing
BIGO Ads — partner (reseller) lines only: 36 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 101 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 27 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 23 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 29 lines in the file, 340 expected lines missing
Start.io — partner (reseller) lines only: 12 lines in the file, 145 expected lines missing
CAS.ai — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
DSail — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
Bidmachine — partner (reseller) lines only: 86 lines in the file, 400 expected lines missing

Corrected file: speedtest.net app-ads.txt (fixed).

FAQ

Does speedtest.net have an app-ads.txt?

Yes — https://speedtest.net/app-ads.txt has 327 lines (checked 20 Oct 2026).

Which ad networks does speedtest.net work with?

Its app-ads.txt lists PubMatic, Index Exchange, Smaato, Google AdMob, Magnite (Rubicon), OpenX, InMobi, Xandr (Microsoft), Amazon Publisher Services, Verve (PubNative), TripleLift, Sovrn and 15 more.

speedtest.net app-ads.txt check

Ad networks in speedtest.net/app-ads.txt

FAQ

Does speedtest.net have an app-ads.txt?

Which ad networks does speedtest.net work with?

Is the app-ads.txt of speedtest.net correct?

Other checked domains

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