6000 IELTS Essay Sample Band 9
by English Learning Apps & Games · ielts.essay.samples.band9
Most of the 180 lines in 6000 IELTS Essay Sample Band 9's app-ads.txt (ieltsbooster.com) are RESELLER lines: 154 against 26 DIRECT, across 72 ad systems. 64 of the 146 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 12 October 2026; the same file covers 9 apps of this developer.
Store data
- Rating
- —
- Installs
- 1,000+
- Category
- Education
- Contains ads
- Yes
app-ads.txt
- Domain
- ieltsbooster.com
- Status
- Found (200)
- Lines
- 180
- DIRECT / RESELLER
- 26 / 154
- Parse errors
- 19
- Last fetched
- Oct 12, 2026
- Last changed
- Oct 12, 2026
sellers.json cross-check
180 lines checked
Verified
65
Errors
71
Warnings
18
- Seller ID not found 64
- DIRECT but intermediary 1
- RESELLER but publisher 6
- Seller type BOTH 9
- Confidential seller 1
- No sellers.json 8
- Unchecked 26
Declared supply tree
26 direct accounts across 17 direct sellers · 55 resellers buying from them · 99 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| start.io | 1 | 25 resellers: pubmatic.com, rubiconproject.com, bidmachine.io … | 1 |
| applovin.com | 1 | 5 resellers: pubnative.net, pubmatic.com, indexexchange.com … | 1 |
| onetag.com | 3 | 3 resellers: rubiconproject.com, pubmatic.com, appnexus.com | 3 |
| greedygame.com | 1 | 2 resellers: google.com … | 0 |
| google.com | 4 | 1 reseller: smartadserver.com | 2 |
| pokkt.com | 1 | 1 reseller: pubmatic.com | 0 |
| facebook.com | 5 | — | 0 |
| adcolony.com | 1 | — | 0 |
| betweendigital.com | 1 | — | 1 |
| coolbootsmedia.com | 1 | — | 0 |
| criteo.com | 1 | — | 1 |
| gothamads.com | 1 | — | 0 |
| + 5 more direct sellers in the full tree | |||
99 resellers, intermediary not matched to a direct seller of this app (account not found in the ad system's sellers.json: 52; not cross-checked yet: 19; the ad system publishes no usable sellers.json: 6; the intermediary's domain is not a direct seller of this app: 16; sellers.json lists the account as a publisher, not an intermediary: 6).
Seller IDs the networks do not list
64 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 |
|---|---|---|---|
| 11 | smartadserver.com | 4194-OB | RESELLER |
| 14 | onetag.com | 7f75a813b2096f9 | DIRECT |
| 15 | onetag.com | 7f75a813b2096f9-OB | DIRECT |
| 21 | start.io | 154287862 | DIRECT |
| 26 | peak226.com | 12401 | DIRECT |
| 27 | criteo.com | 180031 | DIRECT |
| 28 | smaato.com | 1100042823 | RESELLER |
| 29 | video.unrulymedia.com | 2458015955 | DIRECT |
| 30 | webeyemob.com | 70094 | RESELLER |
| 31 | selectmedia.asia | 606ee23ee3eb016f3811e9e4 | DIRECT |
| 32 | betweendigital.com | 42843 | DIRECT |
| 42 | appnexus.com | 8178 | RESELLER |
| 49 | inmobi.com | f3924290136e4129a5c082ff982c3a58 | RESELLER |
| 50 | indexexchange.com | 191332 | RESELLER |
| 58 | google.com | pub-4236520483129668 | DIRECT |
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New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Mon, Oct 12, 2026 10:17 AM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.