ua-tracer by Paul Kinlan

trace NIoleozH

ua-tracer

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

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Trace NIoleozH

First seen: 2026-06-22 11:28:13.784 UTC
User-Agent: LiveCheck
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
2026-06-22 11:28:13.784 UTC +0 ms homepage GET LiveCheck
request headers (6) 
{
  "accept": "*/*",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-e99011e0770852e2394aa3c8326cb7bd-4f51585d4e6cb889-01",
  "tracestate": "",
  "user-agent": "LiveCheck",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 11:28:18.400 UTC +4616 ms Open Graph image GET curl/8.20.0
request headers (6) 
{
  "accept": "*/*",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-e987393019071e092b549a11091cbdf1-19a9eaf2d396b2ab-01",
  "tracestate": "",
  "user-agent": "curl/8.20.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 11:28:18.776 UTC +4992 ms web app manifest GET curl/8.20.0
request headers (6) 
{
  "accept": "*/*",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-751e333e2e1a0ff3b952cd57bbf3f6dd-6e7378c41067f040-01",
  "tracestate": "",
  "user-agent": "curl/8.20.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}