ua-tracer by Paul Kinlan

trace LDCFmIjI

ua-tracer

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

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Trace LDCFmIjI

First seen: 2026-08-04 10:30:25.996 UTC
User-Agent: Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://fedi.wlabs.de
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
2026-08-04 10:30:25.996 UTC +0 ms homepage GET Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://fedi.wlabs.de
request headers (8) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "traceparent": "00-b0d605d7a5ff2b79bd31f7375ebfd441-4dabebd59f5a4ca3-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://fedi.wlabs.de",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-b0d605d7a5ff2b79bd31f7375ebfd441-7a13dcbc213f2d9c-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-04 10:30:28.188 UTC +2192 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://fedi.wlabs.de
request headers (8) 
{
  "accept": "image/webp,image/png,image/jpeg,image/gif,image/*;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "traceparent": "00-4ba7a197d77ff115d4d194f5ee4a80f4-4c9a57b912d10eef-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://fedi.wlabs.de",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-4ba7a197d77ff115d4d194f5ee4a80f4-efdd2bf99adadf75-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-04 10:30:28.872 UTC +2876 ms Open Graph image HEAD Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://fedi.wlabs.de
request headers (9) 
{
  "accept": "*/*",
  "host": "uatracer.com",
  "range": "bytes=0-100000",
  "traceparent": "00-be215f302ce1d8704692ad8988f46198-5ac7d03922e6c024-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://fedi.wlabs.de",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-be215f302ce1d8704692ad8988f46198-a128ba78964178cf-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-04 10:30:29.536 UTC +3540 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://fedi.wlabs.de
request headers (10) 
{
  "accept": "*/*",
  "date": "Tue, 04 Aug 2026 10:30:29 GMT",
  "host": "uatracer.com",
  "signature": "keyId=\"https://fedi.wlabs.de/friendica#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) date host\",signature=\"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\"",
  "traceparent": "00-ffe6541bd95cb3e92a0f0d4a39729168-31f776e51f468ca6-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://fedi.wlabs.de",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ffe6541bd95cb3e92a0f0d4a39729168-fce5e0fcfe14cb06-01",
  "x-deno-userspace-tracestate": ""
}