WebMD: Symptom Checker
by WebMD · 295076329
The app-ads.txt behind WebMD: Symptom Checker (webmd.com) declares 30 DIRECT lines and 41 RESELLER lines naming 33 ad systems. 25 of the 61 lines checked name a seller ID the network's sellers.json does not list, so buyers that check drop those paths. The file last changed on 3 October 2026; the same file covers 2 apps of this developer.
Store data
- Rating
- 4.73
- Installs
- —
- Category
- Medical
- Contains ads
- Yes
135,767 ratings
Not published by Apple
app-ads.txt
- Domain
- webmd.com
- Status
- Found (200)
- Lines
- 71
- DIRECT / RESELLER
- 30 / 41
- Parse errors
- 3
- Last fetched
- Oct 11, 2026
- Last changed
- Oct 3, 2026
sellers.json cross-check
71 lines checked
Verified
30
Errors
27
Warnings
5
- Seller ID not found 25
- DIRECT but intermediary 2
- Seller type BOTH 4
- No sellers.json 1
- Unchecked 9
Declared supply tree
30 direct accounts across 19 direct sellers · 15 resellers buying from them · 26 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| ogury.com | 1 | 9 resellers: toponad.com, dauup.com, thebrave.io … | 0 |
| media.net | 4 | 4 resellers: google.com, lijit.com, conversantmedia.com … | 3 |
| yieldmo.com | 1 | 2 resellers: rubiconproject.com, appnexus.com | 0 |
| pubmatic.com | 4 | — | 3 |
| rubiconproject.com | 3 | — | 2 |
| google.com | 2 | — | 0 |
| teads.tv | 2 | — | 1 |
| trustx.org | 2 | — | 0 |
| adtech.com | 1 | — | 0 |
| amazon-adsystem.com | 1 | — | 0 |
| appnexus.com | 1 | — | 0 |
| contextweb.com | 1 | — | 0 |
| + 7 more direct sellers in the full tree | |||
26 resellers, intermediary not matched to a direct seller of this app (not cross-checked yet: 6; account not found in the ad system's sellers.json: 15; the intermediary's domain is not a direct seller of this app: 4; the ad system publishes no usable sellers.json: 1).
Seller IDs the networks do not list
25 lines of this app-ads.txt name an account ID that the ad system's sellers.json does not contain; the first 15 in file order. Usually a stale line or a typo in the ID. How to fix it
| Line | Ad system | Account ID | Relationship |
|---|---|---|---|
| 3 | appnexus.com | 1908 | RESELLER |
| 4 | appnexus.com | 7944 | RESELLER |
| 6 | emxdgt.com | 191 | RESELLER |
| 7 | contextweb.com | 560210 | RESELLER |
| 8 | pubmatic.com | 26151 | DIRECT |
| 12 | openx.com | 537000000 | RESELLER |
| 13 | media.net | 8CUU54RQD | DIRECT |
| 14 | media.net | 8CU3JVG7R | DIRECT |
| 15 | media.net | 8CU12LGKP | DIRECT |
| 18 | teads.tv | 12472 | DIRECT |
| 30 | pubmatic.com | 156747 | DIRECT |
| 31 | rubiconproject.com | 16676 | RESELLER |
| 32 | synacor.com | 81877 | DIRECT |
| 34 | advertising.com | 19623 | RESELLER |
| 40 | openx.com | 537143344 | RESELLER |
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New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Sun, Oct 11, 2026 6:31 PM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.