A/B testing and conversion optimization platform for websites
Each cell counts sites that run VWO, fall in that traffic tier, and carry that site category. The 7 largest categories for VWO get a column; everything else is in Other.
| Traffic tier (est. monthly visits) | Gambling | Software & Technology | Business Services | Health & Medicine | Finance & Insurance | Automotive | Education | Other categories | Tier total |
|---|---|---|---|---|---|---|---|---|---|
| 1B+ | — | — | — | — | — | — | — | — | 0 |
| 100M to 1B | — | — | — | — | — | — | 1 | 1 | 2 |
| 10M to 100M | 1 | 11 | 2 | 5 | 6 | 2 | — | 39 | 66 |
| 1M to 10M | 8 | 160 | 33 | 55 | 91 | 28 | 72 | 481 | 989 |
| 100K to 1M | 36 | 455 | 197 | 136 | 147 | 75 | 118 | 849 | 3,112 |
| 10K to 100K | 196 | 319 | 315 | 210 | 147 | 459 | 122 | 804 | 8,074 |
| Under 10K | 175 | 94 | 135 | 70 | 57 | 19 | 40 | 231 | 4,628 |
| Long tail | 2,188 | 754 | 650 | 391 | 397 | 224 | 225 | 1,536 | 45,070 |
| VWO total | 2,604 | 1,793 | 1,332 | 867 | 845 | 807 | 578 | 3,941 | 61,941 |
Traffic tiers use our estimated monthly visits for August 2026. 16,871 of the 61,941 VWO sites have an estimate. The long tail is the rest.
Site categories are ours, one per site. 12,767 VWO 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.
