ua-tracer by Paul Kinlan

trace 1jEZNcUc

ua-tracer

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

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Trace 1jEZNcUc

First seen: 2026-10-15 21:18:36.985 UTC
User-Agent: favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)
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
2026-10-15 21:18:36.985 UTC +0 ms homepage GET favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)
request headers (12) 
{
  "accept": "text/html,application/xhtml+xml",
  "accept-encoding": "br, gzip, deflate, zstd",
  "accept-language": "*",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "sec-fetch-mode": "cors",
  "traceparent": "00-ac996a0e7e5dce065763667590fa8679-14aec2cf7456c451-01",
  "tracestate": "",
  "user-agent": "favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ac996a0e7e5dce065763667590fa8679-ece1ecf4909ae9c9-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-15 21:18:37.816 UTC +831 ms web app manifest GET favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)
request headers (12) 
{
  "accept": "application/manifest+json,application/json",
  "accept-encoding": "br, gzip, deflate, zstd",
  "accept-language": "*",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "sec-fetch-mode": "cors",
  "traceparent": "00-33ecdc8169c56131f9dfb6f029ec6490-66c613f6272b4e15-01",
  "tracestate": "",
  "user-agent": "favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-33ecdc8169c56131f9dfb6f029ec6490-6de26d537e5914b1-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-15 21:18:38.065 UTC +1080 ms apple-touch-icon GET favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)
request headers (12) 
{
  "accept": "image/*,*/*;q=0.8",
  "accept-encoding": "br, gzip, deflate, zstd",
  "accept-language": "*",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "sec-fetch-mode": "cors",
  "traceparent": "00-1cd074262c9823ba315b39629025fd4e-b06d761ab39ecfee-01",
  "tracestate": "",
  "user-agent": "favi.sh/1.0 (+https://favi.sh/legal/abuse; logo fetcher; contact abuse@favi.sh)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-1cd074262c9823ba315b39629025fd4e-af91127a1d4fc74b-01",
  "x-deno-userspace-tracestate": ""
}