server name
www.booking.com
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
8 distinct client stacks reach this name.
concentration
0.616 traffic splits near-evenly across many unrelated stacks.
Spread is entropy over the fingerprints reaching this domain, not over the domains a fingerprint reaches. It can’t distinguish one scraper from many people — it measures the mix of software, not who runs it.
Footprint
370
observations
8
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- Python requests / urllib3multi-build53%
- Google Chrome / Chromiumrandomising21%
- Google Chrome / Chromiumrandomising14%
- Google Chrome / Chromiumrandomising9.2%
- 1.1%
- t13d1513h2_8da…ead5a15bmulti-build0.8%
- 0.3%
- Google Chrome / Chromiumrandomising0.3%
Busiest 8 client stacks on this page. Share is the fraction of this name’s observations. Many distinct fingerprints on a low-traffic name is itself worth a look; a blank JA3 is a permuting client — open the fingerprint for its variants.
| client | JA3 | stability | count | share | first seen | last seen |
|---|---|---|---|---|---|---|
| Python requests / urllib3 official CPython build (OpenSSL 3.0.x — Windows / macOS / uv); ja4_b is the build, ja4_c b26ce05bbdd6 is urllib3's own SSLContext (post_handshake_auth, no session ticket) — httpx on the same build differs by that one extension. First seen as Windows 10, Python 3.14. | — | multi-build | 197 | 53% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 77 | 21% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 53 | 14% | 2026-07-20 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 34 | 9.2% | 2026-07-19 | 2026-07-23 |
| t13d5212h2_b262b…362c5eac | d67b0948…14309f | fixed | 4 | 1.1% | 2026-07-19 | 2026-07-19 |
| t13d1513h2_8daaf…ead5a15b | — | multi-build | 3 | 0.8% | 2026-07-19 | 2026-07-19 |
| t13d2313h2_24fc4…ead5a15b | 3d88ffaf…38a0b7 | fixed | 1 | 0.3% | 2026-07-19 | 2026-07-19 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 1 | 0.3% | 2026-07-19 | 2026-07-19 |