ua-tracer by Paul Kinlan

trace vKegEFCB

ua-tracer

what does a user agent actually fetch, follow & run?

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Trace vKegEFCB

First seen: 2026-10-08 13:55:35.665 UTC
User-Agent: Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>, Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>; Bot
Bot verification: Not a known bot (no IP-range check applies).

What this user agent did

Directly-referenced assets:

✗ fetched CSS ✗ fetched JS ✗ fetched image ✗ fetched font (HTML)

Document-level link hints:

✗ fetched favicon ✗ fetched apple-touch-icon ✗ fetched web manifest ✗ fetched preload ✗ fetched prefetch

Second-level follows (proves it parsed the linking file):

✗ followed CSS background-image ✗ followed CSS @font-face ✗ followed manifest icon ✗ followed CSS @import

Frames (does it descend into iframes?):

✗ fetched iframe document ✗ descended into iframe (loaded inner image)

Reporting (a report-only CSP is violated by inline styles; reports can arrive via HTTP headers with no JS, or via in-page beacons):

✗ sent a CSP/Reporting report (any path) ✗ delivered via report-uri/Report-To header (no JS) ✗ delivered via in-page beacon (securitypolicyviolation / ReportingObserver)

Social embed (Open Graph / Twitter card images):

✗ fetched og:image ✓ fetched twitter:image

JavaScript execution:

✗ EXECUTED classic JS ✗ EXECUTED ES module ✗ posted client timing

Server-side request waterfall

Every request the server received for this trace, in receive order. +ms is the delta from the homepage request.

ReceivedΔKindMethodUser-Agent
2026-10-08 13:55:35.665 UTC +0 ms homepage GET Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>, Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>; Bot
request headers (6) 
{
  "accept-encoding": "gzip, deflate, identity",
  "host": "uatracer.com",
  "traceparent": "00-979646d94622447f3206e3736d3aa74c-333e90d4bd8b3a80-01",
  "tracestate": "",
  "user-agent": "Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>, Akkoma 3.20.1-2-gbc62dd80; https://fediverse.elbehnon.de <v@elbehnon.de>; Bot",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-10-09 18:45:11.878 UTC +103776213 ms Twitter card image GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.36
request headers (20) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9,de;q=0.8",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://fediverse.elbehnon.de/",
  "sec-ch-ua": "\"Chromium\";v=\"154\", \"Google Chrome\";v=\"154\", \"Not A(Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "cross-site",
  "sec-fetch-storage-access": "active",
  "traceparent": "00-32e9827971376f5a5ee3417cbaf11bba-08b96aad8d688ffe-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-32e9827971376f5a5ee3417cbaf11bba-ec34da3d910463d6-01",
  "x-deno-userspace-tracestate": ""
}