server name
maxcdn.bootstrapcdn.com
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
5 distinct client stacks reach this name.
concentration
0.483one 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
20
observations
5
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- Google Chrome / Chromiumrandomising80%
- Google Chrome / Chromiumrandomising5.0%
- t13d1515h1_8da…fe35d3a5randomising5.0%
- 5.0%
- Google Chrome / Chromiumrandomising5.0%
Busiest 5 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 | 16 | 80% | 2026-07-19 | 2026-07-23 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 1 | 5.0% | 2026-07-19 | 2026-07-19 |
| t13d1515h1_8daaf…fe35d3a5 | — | randomising | 1 | 5.0% | 2026-07-20 | 2026-07-20 |
| t12d190600_826a7…cbe19126 | 1885aa99…35995c | fixed | 1 | 5.0% | 2026-07-21 | 2026-07-21 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 1 | 5.0% | 2026-07-23 | 2026-07-23 |