server name
web.facebook.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
0.934 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
23
observations
8
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- Google Chrome / Chromiumrandomising22%
- Python requestsmulti-build17%
- t00d0309h2_55b…98375d16multi-build17%
- 17%
- 8.7%
- t00d0310h2_55b…996d9024multi-build8.7%
- t00d0307h2_55b…6a331b25unclassified4.3%
- t13d0107h2_0f2…4e8b7642multi-build4.3%
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 |
|---|---|---|---|---|---|---|
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 5 | 22% | 2026-07-19 | 2026-07-22 |
| Python requests Python 3.11–3.13, Debian (OpenSSL 3) | — | multi-build | 4 | 17% | 2026-07-23 | 2026-07-23 |
| t00d0309h2_55b37…98375d16 | — | multi-build | 4 | 17% | 2026-07-23 | 2026-07-23 |
| Android — Firebase / Google services (Conscrypt) Android system TLS (Conscrypt/BoringSSL); h1 — firebaseinstallations, clientservices | — | multi-build | 4 | 17% | 2026-07-23 | 2026-07-23 |
| Android (Conscrypt) / Flutter (BoringSSL) mobile-BoringSSL cipher-suite signature — Android system TLS (Play Services, Firebase, OkHttp apps) and Flutter/Dart; any ALPN | a5804cc8…a9e0f4 | fixed | 2 | 8.7% | 2026-07-23 | 2026-07-23 |
| t00d0310h2_55b37…996d9024 | — | multi-build | 2 | 8.7% | 2026-07-23 | 2026-07-23 |
| t00d0307h2_55b37…6a331b25 | — | unclassified | 1 | 4.3% | 2026-07-19 | 2026-07-19 |
| t13d0107h2_0f2cb…4e8b7642 | — | multi-build | 1 | 4.3% | 2026-07-23 | 2026-07-23 |