Index · Cert expiry · Fastest sites · Free tools · API
10 popular health sites, ranked by security-header score. Live data, built 2026-11-01.
| # | Site | Headers | Score | Cert days | Avail | ms |
|---|---|---|---|---|---|---|
| 1 | who.int | B | 83 | 56 | 100% | 70.3 |
| 2 | everydayhealth.com | B | 83 | 122 | 100% | 1023.3 |
| 3 | nih.gov | C | 67 | 106 | 100% | 629.0 |
| 4 | nhs.uk | C | 67 | 76 | 100% | 1017.2 |
| 5 | webmd.com | F | 17 | 59 | 100% | 441.1 |
| 6 | healthline.com | F | 17 | 124 | 100% | 105.4 |
| 7 | cdc.gov | F | 17 | 138 | 100% | 1267.9 |
| 8 | medicalnewstoday.com | F | 17 | 124 | 100% | 133.0 |
| 9 | mayoclinic.org | F | 0 | 166 | 100% | 729.2 |
| 10 | zyrtec.com | F | 0 | 80 | 100% | 54.9 |