ua-tracer by Paul Kinlan

trace GoTZzV0R

ua-tracer

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

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Trace GoTZzV0R

First seen: 2026-08-28 11:11:21.568 UTC
User-Agent: Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)
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
2026-08-28 11:11:21.568 UTC +0 ms homepage GET Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)
request headers (7) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-d45ac4dbe28a699a1cd9037110e6ad1b-c72185f5606d98f6-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-28 11:11:25.418 UTC +3850 ms favicon GET Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)
request headers (9) 
{
  "accept-encoding": "gzip",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-dbcf8594f9f452cbf6cc0f26ee910e85-168cbb1ea7bce9f0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-dbcf8594f9f452cbf6cc0f26ee910e85-84e342d86b5e6c2c-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-28 11:11:26.257 UTC +4689 ms apple-touch-icon GET Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)
request headers (9) 
{
  "accept-encoding": "gzip",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-1355cfbdc27cfaff87d9772f517189eb-47388806a648458f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-1355cfbdc27cfaff87d9772f517189eb-0a78dddf47dcebf3-01",
  "x-deno-userspace-tracestate": ""
}