ua-tracer by Paul Kinlan

trace Sow6mLst

ua-tracer

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

← all traces

Trace Sow6mLst

First seen: 2026-11-06 07:45:23.107 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
2026-11-06 07:45:23.107 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": "00-8b45295899a7a498ad2591e5a4e483df-59b924a7ece8c7bc-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": "00-8b45295899a7a498ad2591e5a4e483df-cb62c36e2f16c089-01",
  "x-deno-userspace-tracestate": ""
}
2026-11-06 07:45:24.671 UTC +1564 ms Open Graph image GET com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-53eb1eff0f144eb82d960b24dd23a176-c6c536ce2f23df7a-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-53eb1eff0f144eb82d960b24dd23a176-e70ddd463f28ba4a-01",
  "x-deno-userspace-tracestate": ""
}
2026-11-06 07:45:24.672 UTC +1565 ms apple-touch-icon GET com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-af0b07593fba848b065bd6124e4a4f3f-877eb946dcc1c90c-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-af0b07593fba848b065bd6124e4a4f3f-54cc8304b6093b7e-01",
  "x-deno-userspace-tracestate": ""
}
2026-11-06 07:45:24.674 UTC +1567 ms favicon GET com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "priority": "u=7, i",
  "traceparent": "00-758f5b3a46cc945a0d2d438dce529a92-fa4ed24be33a2897-01",
  "tracestate": "",
  "user-agent": "com.apple.WebKit.Networking/22625.2.8.11.9 Network/6681.41.1 macOS/27.2",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-758f5b3a46cc945a0d2d438dce529a92-2db42d49b2436a8e-01",
  "x-deno-userspace-tracestate": ""
}