ua-tracer by Paul Kinlan

trace A2XfQCRS

ua-tracer

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

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Trace A2XfQCRS

First seen: 2026-09-23 01:11:04.705 UTC
User-Agent: python-requests/2.34.2
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
2026-09-23 01:11:04.705 UTC +0 ms homepage GET python-requests/2.34.2
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "traceparent": "00-c366f0c78a9901de9a33db5b2b3af2b5-61ce450742c0705a-01",
  "tracestate": "",
  "user-agent": "python-requests/2.34.2",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c366f0c78a9901de9a33db5b2b3af2b5-232f29a0055013fb-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-23 01:11:06.040 UTC +1335 ms web app manifest GET python-requests/2.34.2
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "traceparent": "00-7dcd7c981dd0beff074c23b76abc04f9-e9b1b8268a1e538e-01",
  "tracestate": "",
  "user-agent": "python-requests/2.34.2",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-09-23 01:11:28.120 UTC +23415 ms ES module GET python-requests/2.34.2
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "traceparent": "00-7ae12239f37a82945d7789d266764db7-d02b5d850d53fc52-01",
  "tracestate": "",
  "user-agent": "python-requests/2.34.2",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7ae12239f37a82945d7789d266764db7-23b66c48d86f5147-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-23 01:11:42.024 UTC +37319 ms JS GET python-requests/2.34.2
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "traceparent": "00-4158625a212f3d77a44a1098eb8f6674-c0afaefd79315c4a-01",
  "tracestate": "",
  "user-agent": "python-requests/2.34.2",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-4158625a212f3d77a44a1098eb8f6674-2b79fc3500766b2a-01",
  "x-deno-userspace-tracestate": ""
}