tumblr.com app-ads.txt check
tumblr.com is missing out on higher CPMs: its app-ads.txt lists only 17 of the 2,199 lines its 14 ad networks expect (99% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.
Checked 20 Oct 2026. 31 lines, 30 unique records, 0 duplicates, 0 invalid lines, 14 ad networks detected.
Ad networks in tumblr.com/app-ads.txt
- Amazon Publisher Services — account
d8f88b1c-5406-4723-8690-f223673644bc: 1 line in the file - Display.io — account
2101: 2 lines in the file, 31 expected lines missing - Google AdMob — accounts
pub-3245570501173456,pub-5932904123661942: 2 lines in the file - ironSource / LevelPlay — account
563159: 1 line in the file, 125 expected lines missing - Meta Audience Network — account
10153653512948738: 1 line in the file - Liftoff Monetize (Vungle) — account
668545a239a54a0011299e6e: 2 lines in the file, 389 expected lines missing - Criteo — account
B-062672: 1 line in the file - DT Exchange (Fyber) — account
231581: 1 line in the file, 400 expected lines missing - InMobi — account
5749d6857dde43238224337d0e5f3e88: 1 line in the file, 271 expected lines missing - OpenX — account
558753839: 1 line in the file - PubMatic — account
161587: 1 line in the file - TripleLift — accounts
3781,6998: 2 lines in the file - Mintegral — account
58783: 1 line in the file, 400 expected lines missing - Magnite (Rubicon) — account
17062: 1 line in the file
Corrected file: tumblr.com app-ads.txt (fixed).
FAQ
Does tumblr.com have an app-ads.txt?
Yes — https://tumblr.com/app-ads.txt has 31 lines (checked 20 Oct 2026).
Which ad networks does tumblr.com work with?
Its app-ads.txt lists Amazon Publisher Services, Display.io, Google AdMob, ironSource / LevelPlay, Meta Audience Network, Liftoff Monetize (Vungle), Criteo, DT Exchange (Fyber), InMobi, OpenX, PubMatic, TripleLift and 2 more.
Is the app-ads.txt of tumblr.com correct?
tumblr.com is missing out on higher CPMs: its app-ads.txt lists only 17 of the 2,199 lines its 14 ad networks expect (99% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.
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