ua-tracer by Paul Kinlan

trace u4kxmAn5

ua-tracer

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

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Trace u4kxmAn5

First seen: 2026-09-07 10:05:53.251 UTC
User-Agent: Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
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
2026-09-07 10:05:53.251 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
request headers (12) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en",
  "connection": "close",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/sitemap.xml",
  "traceparent": "00-6722208bb068add3d4a8a0429a50e7ab-365bb410ba93940e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6722208bb068add3d4a8a0429a50e7ab-1a87e1436b327829-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-09 03:41:37.745 UTC +149744494 ms Twitter card image GET Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
request headers (10) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en",
  "connection": "close",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-c57fe22cab12f6ecc0e22ef25081063c-c8ebb48309a851e0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-09-09 11:04:54.357 UTC +176341106 ms iframe document GET Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
request headers (12) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en",
  "connection": "close",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-934e23f263c828321f84be28f04df761-d407449d9ca3ce03-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-934e23f263c828321f84be28f04df761-065a4555217dc9d9-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-17 08:51:09.659 UTC +859516408 ms iframe document GET Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
request headers (10) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en",
  "connection": "close",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-a996c0e88305a16f5a74bb91ae5c51b4-7d29bea6ac528a4e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-09-25 18:10:11.148 UTC +1584257897 ms iframe document GET Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)
request headers (10) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en",
  "connection": "close",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-ee6cf76bf6cd28c7708c5eb09879ff82-776022b70a2b6a70-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (HTML, like Gecko) Mobile Safari/537.36 (compatible; PetalBot;+https://webmaster.petalsearch.com/site/petalbot)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}