server name
web-chat-e2ee.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
0.798 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
20
observations
8
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- t13d1516h1_8da…5e64def3randomising45%
- t13d1515h1_8da…fe35d3a5randomising20%
- t13d1616h1_86a…189014cfmulti-build10%
- t13d1515h1_8da…b8c727f2randomising5.0%
- t13d1616h1_86a…851837fdmulti-build5.0%
- t13d1516h1_8da…4fa30227unclassified5.0%
- Android (Conscrypt) / Flutter (BoringSSL)unclassified5.0%
- t13d1517h1_8da…b247c39brandomising5.0%
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 |
|---|---|---|---|---|---|---|
| t13d1516h1_8daaf…5e64def3 | — | randomising | 9 | 45% | 2026-07-19 | 2026-07-23 |
| t13d1515h1_8daaf…fe35d3a5 | — | randomising | 4 | 20% | 2026-07-20 | 2026-07-23 |
| t13d1616h1_86a27…189014cf | — | multi-build | 2 | 10% | 2026-07-20 | 2026-07-23 |
| t13d1515h1_8daaf…b8c727f2 | — | randomising | 1 | 5.0% | 2026-07-22 | 2026-07-22 |
| t13d1616h1_86a27…851837fd | — | multi-build | 1 | 5.0% | 2026-07-19 | 2026-07-19 |
| t13d1516h1_8daaf…4fa30227 | — | unclassified | 1 | 5.0% | 2026-07-22 | 2026-07-22 |
| Android (Conscrypt) / Flutter (BoringSSL) mobile-BoringSSL cipher-suite signature — Android system TLS (Play Services, Firebase, OkHttp apps) and Flutter/Dart; any ALPN | aa335cae…2b9ad0 | unclassified | 1 | 5.0% | 2026-07-19 | 2026-07-19 |
| t13d1517h1_8daaf…b247c39b | — | randomising | 1 | 5.0% | 2026-07-20 | 2026-07-20 |