ua-tracer by Paul Kinlan

trace wOysPow9

ua-tracer

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

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Trace wOysPow9

First seen: 2026-10-02 08:22:58.643 UTC
User-Agent: Mozilla/5.0 (compatible; OAI-SearchBot/1.3; +https://openai.com/searchbot)
Bot verification: ⚠ NOT in OAI-SearchBot range (spoofed?) UA claims OAI-SearchBot but IP not in published range.

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
2026-10-02 08:22:58.643 UTC +0 ms homepage GET Mozilla/5.0 (compatible; OAI-SearchBot/1.3; +https://openai.com/searchbot)
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-83a0c21b9e1500d802b2e24a6b6c993e-f11298a426e6fb12-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; OAI-SearchBot/1.3; +https://openai.com/searchbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-83a0c21b9e1500d802b2e24a6b6c993e-6b1c823df9f0e26a-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-02 08:22:58.948 UTC +305 ms JS GET Mozilla/5.0 (compatible; xAI-SearchBot/1.0; +https://x.ai)
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-8c6a2735ad629a3f5ec7bd57dfaab568-2d59fcaa3b95f242-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; xAI-SearchBot/1.0; +https://x.ai)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-8c6a2735ad629a3f5ec7bd57dfaab568-4fe04d2d76b6435e-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-02 08:22:58.993 UTC +350 ms ES module GET Mozilla/5.0 (compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-043d06b9c69d916407ab5c2662961c7b-0460a0d086b315dd-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-043d06b9c69d916407ab5c2662961c7b-a389bc1e97e46e7f-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-02 08:22:59.389 UTC +746 ms web app manifest GET CCBot/2.0 (https://commoncrawl.org/faq/)
request headers (8) 
{
  "accept-encoding": "gzip",
  "host": "uatracer.com",
  "traceparent": "00-fd8633b8529911a0c773a30b7371359a-dfc6f90e10d4750b-01",
  "tracestate": "",
  "user-agent": "CCBot/2.0 (https://commoncrawl.org/faq/)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-fd8633b8529911a0c773a30b7371359a-c84a012094f36d62-01",
  "x-deno-userspace-tracestate": ""
}