User-Agent
Mozilla/5.0 (compatible; FacebookExternalHit/1.1; +http://www.facebook.com/externalhit_uatext.php)
first seen 2026-07-01 14:38 · last seen 2026-07-01 14:45 · JSON
Decomposed attributes
| Browser / client | FacebookExternalHit 1.1 |
|---|---|
| Device class | bot |
| Declared URL | http://www.facebook.com/externalhit_uatext.php |
| 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 |
|---|---|
t13d1312h2_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +5 more.The fingerprint page shows the full measured match list. More on the catalog. | 5 |
HTTP request (JA4H)
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +6 more.The fingerprint page shows the full measured match list. More on the catalog. | 5 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:109+19:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0 | 3 |
4:117+11:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0 | 2 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
62727_2-4-8-1-3_1460_7 | 5 |
Country
| fingerprint | co-occurrences |
|---|---|
DE · Germany | 3 |
US · United States | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS16509 · Amazon.com, Inc. | 3 |
AS14618 · Amazon.com, Inc. | 2 |