Ad verification and viewability measurement service for advertisers
Each cell counts sites that run Integral Ad Science, fall in that traffic tier, and carry that site category. The 7 largest categories for Integral Ad Science get a column; everything else is in Other.
| Traffic tier (est. monthly visits) | News & Publishing | Entertainment & Media | Sports & Fitness | Automotive | Gaming | Finance & Insurance | Food & Dining | Other categories | Tier total |
|---|---|---|---|---|---|---|---|---|---|
| 1B+ | — | — | — | — | — | — | — | — | 0 |
| 100M to 1B | 4 | — | — | — | — | — | — | 2 | 6 |
| 10M to 100M | 35 | 7 | 3 | 2 | 2 | 1 | 2 | 7 | 59 |
| 1M to 10M | 400 | 25 | 29 | 14 | 6 | 7 | 11 | 43 | 554 |
| 100K to 1M | 347 | 16 | 22 | 9 | 6 | 13 | 12 | 48 | 577 |
| 10K to 100K | 205 | 24 | 23 | 5 | 4 | 3 | 5 | 32 | 520 |
| Under 10K | 13 | 8 | 2 | 1 | 2 | 1 | 2 | 18 | 234 |
| Long tail | 598 | 909 | 138 | 46 | 48 | 26 | 17 | 121 | 11,525 |
| Integral Ad Science total | 1,602 | 989 | 217 | 77 | 68 | 51 | 49 | 271 | 13,475 |
Traffic tiers use our estimated monthly visits for August 2026. 1,950 of the 13,475 Integral Ad Science sites have an estimate. The long tail is the rest.
Site categories are ours, one per site. 3,324 Integral Ad Science sites carry one. Adult sites are counted under Other categories.
A free account doubles this list and turns on country and language filters. Paid plans download the whole list as a file.
