ua-tracer by Paul Kinlan

trace I3U80Q4Z

ua-tracer

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

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Trace I3U80Q4Z

First seen: 2026-10-05 00:43:32.589 UTC
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)
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
2026-10-05 00:43:32.589 UTC +0 ms homepage GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,application/json;q=0.8,text/markdown;q=0.7,text/plain;q=0.6,text/csv;q=0.6,*/*;q=0.5",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
  "traceparent": "00-106c6f01b523c8f27c23d430c0852536-706573159ff0ced3-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-106c6f01b523c8f27c23d430c0852536-2753617624db98e9-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-05 21:18:46.880 UTC +74114291 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)
request headers (7) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,application/json;q=0.8,text/markdown;q=0.7,text/plain;q=0.6,text/csv;q=0.6,*/*;q=0.5",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
  "traceparent": "00-43d309651641312abaf0c8c65a63285d-8548a14687c5813b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}