| Rank | Website | Category | Monthly Visitors | Mar-May Gain | Jan–May 26 Trend |
|---|---|---|---|---|---|
| 1 |  | Health | 3M | -1m | |
| 2 |  | Health | 9M | +517k | |
| 3 |  | Health | 39M | +1m | |
| 4 |  | Health | 6M | +1m | |
| 5 |  | Health | 17M | -1m | |
| 6 |  | Health | 300K | +81k | |
| 7 |  | Health | 178M | -23m | |
| 8 |  | Health | 10M | +191k | |
| 9 |  | Health | 5M | -143k | |
| 10 |  | Health | 8M | +1m | |
| 11 |  | Health | 9M | +133k | |
| 12 |  | Health | 376K | -791k | |
| 13 |  | Health | 2M | -4m | |
| 14 |  | Health | 1M | -9k | |
| 15 |  | Health | 971K | -29k | |
| 16 |  | Health | 5M | +1m | |
| 17 |  | Health | 4M | +384k | |
| 18 |  | Health | 21M | -7m | |
| 19 |  | Health | 3M | -1m | |
| 20 |  | Health | 120K | -74k | |
| 21 |  | Health | 3M | -620k | |
| 22 |  | Health | 4M | +1m | |
| 23 |  | Health | 828K | +267k | |
| 24 |  | Health | 394K | -322k | |
| 25 |  | Health | 19M | +2m | |
| 26 |  | Health | 280K | -24k | |
| 27 |  | Health | 3M | -17k | |
| 28 |  | Health | 11K | +3k | |
| 29 |  | Health | 2M | -515k | |
| 30 |  | Health | 6M | -2m | |
| 31 |  | Health | 6M | +62k | |
| 32 |  | Health | 62M | +2m | |
| 33 |  | Health | 665K | +72k | |
| 34 |  | Health | 5M | +329k | |
| 35 |  | Health | 19M | -1m | |
| 36 |  | Health | 5M | -320k | |
| 37 |  | Health | 2M | -220k | |
| 38 |  | Health | 12M | +704k | |
| 39 |  | Health | 10M | +32k | |
| 40 |  | Health | 7M | +133k | |
| 41 |  | Health | 172K | -193k | |
| 42 |  | Health | 2M | +14k | |
| 43 |  | Health | 6M | +2m | |
| 44 |  | Health | 2M | -5k | |
| 45 |  | Health | 5M | -1m | |
| 46 |  | Health | 26M | -2m | |
| 47 |  | Health | 6M | +251k | |
| 48 |  | Health | 72K | +2k | |
| 49 |  | Health | 1M | -419k | |
| 50 |  | Health | 6M | -417k |