ua-tracer by Paul Kinlan

trace G9oTtzCl

ua-tracer

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

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Trace G9oTtzCl

First seen: 2026-07-24 13:53:17.516 UTC
User-Agent: curl/8.7.1
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
2026-07-24 13:53:17.516 UTC +0 ms homepage GET curl/8.7.1
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "traceparent": "00-8374e94775b01d7229a3b642e9a74363-596e012c723435c7-01",
  "tracestate": "",
  "true-client-ip": "127.0.0.1",
  "user-agent": "curl/8.7.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-azure-clientip": "127.0.0.1",
  "x-azure-socketip": "127.0.0.1",
  "x-client-ip": "127.0.0.1",
  "x-forwarded-for": "127.0.0.1",
  "x-forwared": "127.0.0.1",
  "x-host": "127.0.0.1",
  "x-originating-ip": "127.0.0.1",
  "x-real-ip": "127.0.0.1"
}
2026-07-24 13:53:31.217 UTC +13701 ms JS GET curl/8.7.1
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "traceparent": "00-d652a472b4e04ab5d49a9503c45c5ea8-aa239cea5624eab8-01",
  "tracestate": "",
  "true-client-ip": "127.0.0.1",
  "user-agent": "curl/8.7.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-azure-clientip": "127.0.0.1",
  "x-azure-socketip": "127.0.0.1",
  "x-client-ip": "127.0.0.1",
  "x-forwarded-for": "127.0.0.1",
  "x-forwared": "127.0.0.1",
  "x-host": "127.0.0.1",
  "x-originating-ip": "127.0.0.1",
  "x-real-ip": "127.0.0.1"
}
2026-07-24 13:53:31.256 UTC +13740 ms ES module GET curl/8.7.1
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "traceparent": "00-ff3d7df05059e3b94fd310fb26828a47-b5af54f0d97d2f11-01",
  "tracestate": "",
  "true-client-ip": "127.0.0.1",
  "user-agent": "curl/8.7.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-azure-clientip": "127.0.0.1",
  "x-azure-socketip": "127.0.0.1",
  "x-client-ip": "127.0.0.1",
  "x-forwarded-for": "127.0.0.1",
  "x-forwared": "127.0.0.1",
  "x-host": "127.0.0.1",
  "x-originating-ip": "127.0.0.1",
  "x-real-ip": "127.0.0.1"
}
2026-07-24 14:22:10.082 UTC +1732566 ms JS GET curl/8.7.1
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "traceparent": "00-42dbfeb933c554face06d8014ff765fb-e8cf863c5603a09e-01",
  "tracestate": "",
  "true-client-ip": "127.0.0.1",
  "user-agent": "curl/8.7.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-azure-clientip": "127.0.0.1",
  "x-azure-socketip": "127.0.0.1",
  "x-client-ip": "127.0.0.1",
  "x-forwarded-for": "127.0.0.1",
  "x-forwared": "127.0.0.1",
  "x-host": "127.0.0.1",
  "x-originating-ip": "127.0.0.1",
  "x-real-ip": "127.0.0.1"
}
2026-07-24 14:22:11.071 UTC +1733555 ms ES module GET curl/8.7.1
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "traceparent": "00-37aa300eac1d85dd4261181619a99a47-51b6b4eb47eac252-01",
  "tracestate": "",
  "true-client-ip": "127.0.0.1",
  "user-agent": "curl/8.7.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-azure-clientip": "127.0.0.1",
  "x-azure-socketip": "127.0.0.1",
  "x-client-ip": "127.0.0.1",
  "x-forwarded-for": "127.0.0.1",
  "x-forwared": "127.0.0.1",
  "x-host": "127.0.0.1",
  "x-originating-ip": "127.0.0.1",
  "x-real-ip": "127.0.0.1"
}