ua-tracer by Paul Kinlan

trace X1Vpgl1e

ua-tracer

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

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Trace X1Vpgl1e

First seen: 2026-09-10 06:26:29.691 UTC
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
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
2026-09-10 06:26:29.691 UTC +0 ms homepage GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
request headers (7) 
{
  "accept-encoding": "identity",
  "host": "uatracer.com",
  "referer": "http://uatracer.com",
  "traceparent": "00-ce74a95ecf380425a4f9d2ac35f0cac4-4a8cd842edea64a0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-09-10 06:26:35.929 UTC +6238 ms JS GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
request headers (7) 
{
  "accept-encoding": "identity",
  "host": "uatracer.com",
  "referer": "http://uatracer.com/r/X1Vpgl1e/wMaMPRoG/main.js",
  "traceparent": "00-42358d713d9f1d69e616fa78c618b2bf-d12f1c5c9bc94f0d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-09-10 06:26:35.933 UTC +6242 ms web app manifest GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
request headers (7) 
{
  "accept-encoding": "identity",
  "host": "uatracer.com",
  "referer": "http://uatracer.com/r/X1Vpgl1e/wMaMPRoG/manifest.json",
  "traceparent": "00-ae9425858de621259336744c883e3ccc-03be178f62ef744b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-09-10 06:26:36.731 UTC +7040 ms ES module GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
request headers (7) 
{
  "accept-encoding": "identity",
  "host": "uatracer.com",
  "referer": "http://uatracer.com/r/X1Vpgl1e/wMaMPRoG/module.js",
  "traceparent": "00-96bee4597267c59a3495d3e4496fab6c-2c3b31372d12a444-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}