server name
m.facebook.com
Dominated by one stack
One client stack dominates the traffic to this name — normal for an API or a CDN origin.
- domain
Read
client diversity
6 distinct client stacks reach this name.
concentration
0.202one client stack dominates — normal for an API or a CDN origin.
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
115
observations
6
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- 93%
- t13d131100_f57…3b40a677multi-build1.7%
- Google Chrome / Chromiummulti-build1.7%
- Node.js fetch / undicimulti-build1.7%
- Apple Safari / WebKitmulti-build0.9%
- Google Chrome / Chromiumrandomising0.9%
Busiest 6 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 |
|---|---|---|---|---|---|---|
| t13d121200_a538d…ad5f0873 | 6ba5ebcd…0cbc31 | fixed | 107 | 93% | 2026-07-19 | 2026-07-23 |
| t13d131100_f57a4…3b40a677 | — | multi-build | 2 | 1.7% | 2026-07-20 | 2026-07-20 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | multi-build | 2 | 1.7% | 2026-07-20 | 2026-07-20 |
| Node.js fetch / undici Node 22 — bundled OpenSSL 3 (newer) | — | multi-build | 2 | 1.7% | 2026-07-23 | 2026-07-23 |
| Apple Safari / WebKit Apple SecureTransport cipher-suite signature — Safari (macOS/iOS), WKWebView, and native URLSession apps; the 3DES legacy tail (0xC008/0xC012/0x000A) is Apple's tell, no other modern stack carries it. Platform entry like Android's Conscrypt: Apple system TLS legitimately offers any ALPN (h2, http/1.1, dot, none), so the cipher list alone is the signature — not ALPN-gated | — | multi-build | 1 | 0.9% | 2026-07-19 | 2026-07-19 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 1 | 0.9% | 2026-07-23 | 2026-07-23 |