| Site Name | Links Checked | How Often | On Schedule |
| Achoo |  | every six months | Yes. |
| Biosites |  | once a week | Yes - Link Checking software used. |
| Cliniweb |  | Monthly. | Not always. |
| GHN |  | Weekly, when funded. | One year without checking while funds were being renewed. |
| HealthAtoZ |  | every six months | Yes. |
| healthfinder |  | Accepts corrections from public. | n.a. |
| HealthLinks |  | Broken links identified nightly by search engine. | Repairs made as time is available for student employees. |
| HealthWeb |  | Every three months. | Not always. |
| HSLS, U. Pittsburgh |  | Every three months. | Yes. |
| MedExplorer |  | Weekly. | Yes. |
| Medical World Search |  | Every month. | No. |
| MedWeb |  | No schedule. | n.a. |
| NOAH |  | Two week rotational basis. | Yes. |
| OMNI |  | Every month. | Not always. |
| Virtual Hospital |  | Every month. | Yes - automatic link checker. |
| WebDoctor |  | Weekly. | Yes. |
| WWWVL: Medicine |  | Monthly. | No. |