server name
portswigger.net
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
2 distinct client stacks reach this name.
concentration
0.874 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
51
observations
2
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- 71%
- t13d561300_bc0…144d8b8eunclassified29%
Busiest 2 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 |
|---|---|---|---|---|---|---|
| t13d491300_bd868…144d8b8e | d7a25437…f6234b | fixed | 36 | 71% | 2026-07-19 | 2026-07-23 |
| t13d561300_bc01e…144d8b8e | de5918be…83c036 | unclassified | 15 | 29% | 2026-07-23 | 2026-07-23 |