User-Agent

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-webindexer/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))

first seen 2026-08-10 16:57 · last seen 2026-08-31 16:02 · JSON

Decomposed attributes

Browser / clientmeta-webindexer 1.1
Operating systemLinux x86_64
Device classbot
Declared URLhttps://developers.facebook.com/docs/sharing/webmasters/crawler
Noteinferred 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)

fingerprintco-occurrences
t13d3111h2_e8f1e7e78f70_5ac7197df9d26

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr07enus_7226337734ed_000000000000_0000000000004
ge20nn09enus_c5abe4666a67_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:4096;2:0;5:16384;6:131072;3:100;4:65536|26148865|0|m,s,p,a3
1:4096;2:0;5:16384;6:131072;3:100;4:65536;11105:65535;11106:65535;11107:65535;11108:10;11109:10|26148865|0|m,s,p,a3

TCP SYN (p0f)

fingerprintco-occurrences
6:46+18:0:1380:65535,8:mss,sok,ts,nop,ws::03
6:48+16:0:1380:65535,8:mss,sok,ts,nop,ws::02
6:47+17:0:1380:65535,8:mss,sok,ts,nop,ws::01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1380_86

Country

fingerprintco-occurrences
US · United States6

Network (ASN)

fingerprintco-occurrences
AS32934 · Facebook, Inc.6