ua-tracer by Paul Kinlan

trace 4jQIDj0h

ua-tracer

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

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Trace 4jQIDj0h

First seen: 2026-09-06 07:45:33.699 UTC
User-Agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/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
2026-09-06 07:45:33.699 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (28) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "ebu-KE,ebu;q=0.9",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "referer": "http://uatracer.com/",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-arch": "\"arm\"",
  "sec-ch-ua-bitness": "\"64\"",
  "sec-ch-ua-form-factors": "\"Mobile\"",
  "sec-ch-ua-full-version": "\"150.0.7871.2\"",
  "sec-ch-ua-full-version-list": "\"Not;A=Brand\";v=\"8.0.0.0\", \"Chromium\";v=\"150.0.7871.2\", \"Google Chrome\";v=\"150.0.7871.2\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-model": "\"Pixel 8 Pro\"",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-ch-ua-platform-version": "\"10\"",
  "sec-ch-ua-wow64": "?0",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-site",
  "sec-fetch-user": "?1",
  "traceparent": "00-6ad61cbbc006ba70c6cbbd4bacc753d9-bb9f6e11aa7a7824-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6ad61cbbc006ba70c6cbbd4bacc753d9-c9d8595964741d21-01",
  "x-deno-userspace-tracestate": ""
}