ua-tracer by Paul Kinlan

trace QRzfICIf

ua-tracer

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

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Trace QRzfICIf

First seen: 2026-07-03 11:58:31.226 UTC
User-Agent: Harmonic-HN-Android/3.0.1/release
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
2026-07-03 11:58:31.226 UTC +0 ms homepage GET Harmonic-HN-Android/3.0.1/release
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-2fb0fd30bb978c1f7722a647dfbeef65-0e0e6b67a339a40d-01",
  "tracestate": "",
  "user-agent": "Harmonic-HN-Android/3.0.1/release",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-2fb0fd30bb978c1f7722a647dfbeef65-4c41a370a64b07a4-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 11:58:34.067 UTC +2841 ms Open Graph image GET Harmonic-HN-Android/3.0.1/release
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-427b777b02b9d358664b0fc274483da0-4a06ccc0ce34c686-01",
  "tracestate": "",
  "user-agent": "Harmonic-HN-Android/3.0.1/release",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-427b777b02b9d358664b0fc274483da0-44d243648ac549d2-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 11:58:42.636 UTC +11410 ms Open Graph image GET Harmonic-HN-Android/3.0.1/release
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-c76899eb9228f9b64f621cd045425155-669a1c829acc685d-01",
  "tracestate": "",
  "user-agent": "Harmonic-HN-Android/3.0.1/release",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c76899eb9228f9b64f621cd045425155-175238752d1a99e1-01",
  "x-deno-userspace-tracestate": ""
}