| Rank | Domain | Parent Category | Sub Category | Payment | Card |
|---|---|---|---|---|---|
| 52,650 |
|
Health | Medical reference | Yes | Yes |
| 151,469 |
|
Health | Medical reference | No | No |
| 162,443 |
|
Health | Medical reference | No | No |
| 230,996 |
|
Science and education | Medical reference | Yes | Yes |
| 284,712 |
|
Science and education | Medical reference | No | No |
| 314,082 |
|
Science and education | Medical reference | No | No |
| 396,062 |
|
Science and education | Medical reference | Yes | Yes |
| 713,725 |
|
Science and education | Medical reference | No | No |