ua-tracer by Paul Kinlan

trace 0IftAlKV

ua-tracer

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

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Trace 0IftAlKV

First seen: 2026-08-20 08:14:17.558 UTC
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0
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
2026-08-20 08:14:17.558 UTC +0 ms homepage GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0
request headers (7) 
{
  "accept": "text/markdown, text/html;q=0.9, */*;q=0.8",
  "accept-encoding": "deflate, gzip, zstd",
  "host": "uatracer.com",
  "traceparent": "00-f124a045fc3575a2170e458ba03ae5b0-626ecebe592601a4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-20 08:14:42.489 UTC +24931 ms iframe document HEAD Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0
request headers (9) 
{
  "accept": "text/markdown, text/html;q=0.9, */*;q=0.8",
  "accept-encoding": "deflate, gzip, zstd",
  "host": "uatracer.com",
  "traceparent": "00-0efa75d06193c60af3a2d6d62dc89841-17bc278bf2e2e5cf-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0efa75d06193c60af3a2d6d62dc89841-fb18872f6fee901e-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-20 08:14:43.239 UTC +25681 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0
request headers (9) 
{
  "accept": "text/markdown, text/html;q=0.9, */*;q=0.8",
  "accept-encoding": "deflate, gzip, zstd",
  "host": "uatracer.com",
  "traceparent": "00-4fa1550a965bb96e19bdc2305409e9c1-f36962014f4ce53a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-4fa1550a965bb96e19bdc2305409e9c1-5a35b7683b477fb0-01",
  "x-deno-userspace-tracestate": ""
}