ua-tracer by Paul Kinlan

trace N9E0qUq7

ua-tracer

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

← all traces

Trace N9E0qUq7

First seen: 2026-07-24 13:53:22.528 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 13:53:22.528 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": "00-0f2eafdc5a5adea9c8e3e225531328f0-593385a0b117b5ec-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 13:53:31.427 UTC +8899 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-a166004b12b4239ac457cf8e43dca700-b6d467f2ab97aecf-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 13:53:31.569 UTC +9041 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": "00-43e5e4cc84ace332668ff0613f7242d5-a60a92ab04bc89c0-01",
  "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 14:05:34.826 UTC +732298 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": "00-3bd01c0b0669fd126585fda2678f2916-7ca810cce93bb35a-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 14:05:35.538 UTC +733010 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-ff3542058475633a7b50f5c7246f9d4c-1061da9e2fed7bdf-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"
}