ua-tracer by Paul Kinlan

trace Y7IVtNs1

ua-tracer

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

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Trace Y7IVtNs1

First seen: 2026-07-02 20:57:13.893 UTC
User-Agent: node
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
2026-07-02 20:57:13.893 UTC +0 ms homepage GET node
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "br, gzip, deflate",
  "accept-language": "*",
  "baggage": "sentry-environment=production,sentry-release=6d3a88854a4c9fb7d9aa895f354c1e4c8664bf64,sentry-public_key=a0b82da8a7990ac8260331c835387270,sentry-trace_id=664223a55bbb4342e28bd1be0ecb796f,sentry-org_id=4510643149668352,sentry-transaction=discover-endpoint%20process,sentry-sampled=true,sentry-sample_rand=0.1021131232351643,sentry-sample_rate=1",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "sec-fetch-mode": "cors",
  "sentry-trace": "664223a55bbb4342e28bd1be0ecb796f-92eda721815edfd8-1",
  "traceparent": "00-a5af68ac943c308219645eb25350bfd6-4abd475bb6015e16-01",
  "tracestate": "",
  "user-agent": "node",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a5af68ac943c308219645eb25350bfd6-c19e051ea82b01b0-01",
  "x-deno-userspace-tracestate": ""
}