| July 2007 | July 2008 | Growth, YTY | |
| Total Internet | 180,078 | 189,134 | 5 |
| Health – Information | 56,865 | 69,008 | 21 |
| WebMD Health | 16,829 | 17,277 | 3 |
| Everyday Health | 9,009 | 14,703 | 63 |
| Revolution Health Network | 4,014 | 11,329 | 182 |
| AOL Health | 5,913 | 11,095 | 88 |
| About.com Health | 6,947 | 8,682 | 25 |
| Yahoo! Health | 7,445 | 8,496 | 14 |
| MSN Health | 8,833 | 7,813 | -12 |
| NIH.GOV | 8,545 | 7,315 | -14 |
| RIGHTHEALTH.COM | 2,424 | 6,160 | 154 |
| Quality Health Network | N/A | 5,822 | N/A |
| Source: comScore | |||