User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/126.0.6478.182 Safari/537.36
first seen 2026-06-11 23:07 · last seen 2026-06-29 23:13 · JSON
Decomposed attributes
| Browser / client | Headless Chrome 126.0.6478.182 |
| Operating system | Linux x86_64 |
| Device class | bot |
| Note | inferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above |
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.
TLS ClientHello (JA4)
| fingerprint | co-occurrences |
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
HTTP request (JA4H)
HTTP/2 frames (Akamai)
TCP SYN (p0f)
| fingerprint | co-occurrences |
4:43+21:0:1460:62727,8:mss,sok,ts,nop,ws:df,id+:0 | 1 |
4:48+16:0:1460:62727,8:mss,sok,ts,nop,ws:df,id+:0 | 1 |
TCP SYN (JA4T)
Country
| fingerprint | co-occurrences |
SG · Singapore | 2 |
Network (ASN)
| fingerprint | co-occurrences |
AS16509 · Amazon.com, Inc. | 2 |