Index · Cert expiry · Fastest sites · Free tools · API
16 popular travel sites, ranked by security-header score. Live data, built 2026-11-01.
| # | Site | Headers | Score | Cert days | Avail | ms |
|---|---|---|---|---|---|---|
| 1 | expedia.com | C | 67 | 53 | 100% | 943.9 |
| 2 | skyscanner.com | C | 67 | 66 | 100% | 843.3 |
| 3 | lyft.com | C | 67 | 161 | 100% | 519.4 |
| 4 | hostelworld.com | C | 67 | 48 | 100% | 465.0 |
| 5 | trainline.com | C | 67 | 59 | 100% | 309.9 |
| 6 | airbnb.com | C | 50 | 88 | 100% | 1098.1 |
| 7 | kayak.com | C | 50 | 86 | 100% | 544.0 |
| 8 | uber.com | C | 50 | 107 | 100% | 277.4 |
| 9 | agoda.com | C | 50 | 56 | 100% | 1326.6 |
| 10 | booking.com | F | 17 | 172 | 100% | 711.2 |
| 11 | tripadvisor.com | F | 17 | 123 | 100% | 271.7 |
| 12 | marriott.com | F | 17 | 96 | 100% | 660.3 |
| 13 | trivago.com | F | 17 | 47 | 100% | 474.7 |
| 14 | hilton.com | F | 0 | 146 | 0% | n/a |
| 15 | hotels.com | F | 0 | 87 | 0% | n/a |
| 16 | flixbus.com | F | 0 | 78 | 100% | 64.6 |