ua-tracer by Paul Kinlan

trace tWyL63hm

ua-tracer

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

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Trace tWyL63hm

First seen: 2026-08-04 10:34:21.836 UTC
User-Agent: Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://friendica.world
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 10:34:21.836 UTC +0 ms homepage GET Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://friendica.world
request headers (6) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "traceparent": "00-ca0fa91c40cb6d67a19a97f72836bc01-fbf055ae103c03d4-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://friendica.world",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-04 10:34:23.920 UTC +2084 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://friendica.world
request headers (6) 
{
  "accept": "image/webp,image/png,image/jpeg,image/gif,image/*;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "traceparent": "00-73a854e3cd0fce5ff867b18b63fb8c99-18d16a208d135c61-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://friendica.world",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-04 10:34:24.724 UTC +2888 ms Open Graph image HEAD Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://friendica.world
request headers (7) 
{
  "accept": "*/*",
  "host": "uatracer.com",
  "range": "bytes=0-100000",
  "traceparent": "00-91556d95ea25d178be6aa7a50dc79524-65b00a16af222f48-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://friendica.world",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-04 10:34:25.380 UTC +3544 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://friendica.world
request headers (8) 
{
  "accept": "*/*",
  "date": "Tue, 04 Aug 2026 10:34:25 GMT",
  "host": "uatracer.com",
  "signature": "keyId=\"https://friendica.world/friendica#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) date host\",signature=\"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\"",
  "traceparent": "00-b32ba1124538999d1acff79e3bffc95e-8aeb02af317d39ed-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://friendica.world",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}