first seen 2026-07-01 01:07 · last seen 2026-08-26 11:17 · JSON
Distinct clients per day (last 30 days, peak 1/day)
Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.
Decomposed attributes
SETTINGS
{"1": 65536, "2": 0, "4": 131072, "5": 16384}
WINDOW_UPDATE
12517377
PRIORITY frames
25:0:0:42
Pseudo-header order
m,p,a,s
Co-observed signals
Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.
t13d1617h2_86a278354501_3cbfd9057e0dMatch?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 152.0.3, +10 more.The fingerprint page shows the full measured match list. More on the catalog.
t13d1717h2_5b57614c22b0_3cbfd9057e0dMatch?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.