server name
www.youtube.com
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
22 distinct client stacks reach this name.
concentration
0.400one 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
1,301
observations
22
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- Google Chrome / Chromiumrandomising66%
- Google Chrome / Chromiumrandomising13%
- Node.js https / axios / got (no ALPN)multi-build7.1%
- Python requestsmulti-build7.1%
- Python httpx / aiohttpmulti-build1.1%
- t13d1812h1_850…e481755emulti-build0.9%
- Google Chrome / Chromiumrandomising0.7%
- Node.js https / axios / got (no ALPN)multi-build0.5%
- Python httpx / aiohttpmulti-build0.5%
- 0.4%
- Google Chrome / Chromiumrandomising0.4%
- Python requests / urllib3multi-build0.3%
- Google Chrome / Chromiumrandomising0.2%
- t13d1813h1_510…b6f9fa1cunclassified0.2%
- Node.js fetch / undicimulti-build0.2%
Busiest 15 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 | 865 | 66% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 173 | 13% | 2026-07-19 | 2026-07-23 |
| Node.js https / axios / got (no ALPN) Node 18–20 — bundled OpenSSL 3 (same on Debian & Alpine) | — | multi-build | 93 | 7.1% | 2026-07-19 | 2026-07-23 |
| Python requests Python 3.11–3.13, Debian (OpenSSL 3) | — | multi-build | 92 | 7.1% | 2026-07-19 | 2026-07-23 |
| Python httpx / aiohttp Python 3.11–3.13, Debian (OpenSSL 3) | — | multi-build | 14 | 1.1% | 2026-07-19 | 2026-07-23 |
| t13d1812h1_85036…e481755e | — | multi-build | 12 | 0.9% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 9 | 0.7% | 2026-07-19 | 2026-07-22 |
| Node.js https / axios / got (no ALPN) Node 22 — bundled OpenSSL 3 (newer) | — | multi-build | 7 | 0.5% | 2026-07-19 | 2026-07-23 |
| Python httpx / aiohttp Python 3.10–3.13, standalone OpenSSL 3 — Alpine (musl), uv, or macOS-arm | — | multi-build | 6 | 0.5% | 2026-07-22 | 2026-07-23 |
| Node.js fetch / undici Node 18–20 — bundled OpenSSL 3 (same on Debian & Alpine) | 1a28e690…68922c | fixed | 5 | 0.4% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 5 | 0.4% | 2026-07-20 | 2026-07-23 |
| 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 | 4 | 0.3% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 3 | 0.2% | 2026-07-22 | 2026-07-23 |
| t13d1813h1_5103e…b6f9fa1c | 86b8834b…d07744 | unclassified | 3 | 0.2% | 2026-07-20 | 2026-07-22 |
| Node.js fetch / undici Node 22 — bundled OpenSSL 3 (newer) | — | multi-build | 3 | 0.2% | 2026-07-19 | 2026-07-22 |
| Mozilla Firefox Firefox cipher-suite signature — also forks (Zen, LibreWolf, Tor Browser); any extension permutation or version | 6447ab08…a89e87 | fixed | 1 | <0.1% | 2026-07-19 | 2026-07-19 |
| t13d4312h1_c7886…e05bbdd6 | — | multi-build | 1 | <0.1% | 2026-07-22 | 2026-07-22 |
| t13d5911h2_a3374…a2ca17c4 | 1a28e690…68922c | fixed | 1 | <0.1% | 2026-07-23 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 1 | <0.1% | 2026-07-19 | 2026-07-19 |
| Python urllib (stdlib) Python 3.11–3.13, Debian (OpenSSL 3) | ebed420a…9f4e4a | fixed | 1 | <0.1% | 2026-07-23 | 2026-07-23 |
| t13d1312h2_f57a4…3b40a677 | — | multi-build | 1 | <0.1% | 2026-07-21 | 2026-07-21 |
| t13d131100_f57a4…3b40a677 | — | multi-build | 1 | <0.1% | 2026-07-20 | 2026-07-20 |