ua-tracer by Paul Kinlan

trace soGQO3WU

ua-tracer

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

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Trace soGQO3WU

First seen: 2026-07-31 00:46:01.294 UTC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/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
2026-07-31 00:46:01.294 UTC +0 ms homepage GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0
request headers (14) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "traceparent": "00-e3e06a7a287ccd98592a09529843755a-dbd700c0a6c37409-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-e3e06a7a287ccd98592a09529843755a-7b99a193dd0250a6-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-31 00:46:03.342 UTC +2048 ms favicon GET com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=soGQO3WU",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-ea208eba597abe08ea2de96c4628dfec-c2b55bae377e88c8-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ea208eba597abe08ea2de96c4628dfec-069c7cc3b3a383ec-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-31 00:46:03.345 UTC +2051 ms Open Graph image GET com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=soGQO3WU",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-0fa9262a080c35b6d84e55b70f09c146-9f2937f08617d9c6-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0fa9262a080c35b6d84e55b70f09c146-f05504fa7a994f25-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-31 00:46:03.350 UTC +2056 ms apple-touch-icon GET com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=soGQO3WU",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-fc94399fe44a83eac386b2469a51c90b-3171c669abde2352-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.1.24.11.2 Network/6681.0.514.0.4 macOS/27.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-fc94399fe44a83eac386b2469a51c90b-0072973fccbc9232-01",
  "x-deno-userspace-tracestate": ""
}