ua-tracer by Paul Kinlan

trace bLV9UM3y

ua-tracer

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

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Trace bLV9UM3y

First seen: 2026-08-02 15:18:11.739 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
2026-08-02 15:18:11.739 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": "00-7f5e95aa7efb4875f311d7db90b085d0-cf362ebec8e2583b-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"
}
2026-08-02 15:20:05.736 UTC +113997 ms iframe document HEAD 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": "00-94be7c785c7332f02544abd302979e2d-f0c9114b2fce60bc-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"
}
2026-08-02 15:20:06.500 UTC +114761 ms iframe document 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-e7ba0ead64449a0aeb92a184cdc8cf71-22cb3567c54a20eb-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"
}
2026-08-02 15:20:07.635 UTC +115896 ms iframe document GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
request headers (19) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Not(A:Brand\";v=\"8\", \"Chromium\";v=\"144\", \"Google Chrome\";v=\"144\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "traceparent": "00-ea8455a21add7a576156c1ceaada1fb4-398ebad3229d7f49-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ea8455a21add7a576156c1ceaada1fb4-f81c78ff2791c382-01",
  "x-deno-userspace-tracestate": ""
}