ua-tracer by Paul Kinlan

trace ht5ekXpr

ua-tracer

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

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Trace ht5ekXpr

First seen: 2026-09-30 09:04:11.985 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
2026-09-30 09:04:11.985 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-e2e885d6baec9d5d48d7358625251658-ba8b15315231795a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-09-30 09:04:25.473 UTC +13488 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-a7008e92375f36a6c88c0828db18f62f-611e8f3dfff1aca8-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a7008e92375f36a6c88c0828db18f62f-5ad0cbb22166166e-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-30 09:04:33.777 UTC +21792 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": "00-7fe1861b548805136bf869cc0feb5b72-0a6d8659adff5e75-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7fe1861b548805136bf869cc0feb5b72-b27f44e91e8ef188-01",
  "x-deno-userspace-tracestate": ""
}