ua-tracer by Paul Kinlan

trace B44pRGBS

ua-tracer

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

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Trace B44pRGBS

First seen: 2026-07-05 15:06:16.225 UTC
User-Agent: Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://loma.ml
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
2026-07-05 15:06:16.225 UTC +0 ms homepage GET Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://loma.ml
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "referer": "https://ilo.im/16e91f",
  "traceparent": "00-c8b071975474b0092e5cfa8e4900d15d-1f54da4bc87ad836-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/SiteInfo/1 +https://loma.ml",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c8b071975474b0092e5cfa8e4900d15d-7b8a25fd1e8d8b00-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-05 15:06:17.950 UTC +1725 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://loma.ml
request headers (8) 
{
  "accept": "image/webp,image/png,image/jpeg,image/gif,image/*;q=0.9,*/*;q=0.8",
  "host": "uatracer.com",
  "traceparent": "00-49ed72510b076a1a1119eed9c414a3cf-92cf154634ade2d2-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/MediaVerifier/1 +https://loma.ml",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-49ed72510b076a1a1119eed9c414a3cf-a8d7c24f9c9ad1b2-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-05 15:06:18.725 UTC +2500 ms Open Graph image HEAD Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://loma.ml
request headers (9) 
{
  "accept": "*/*",
  "host": "uatracer.com",
  "range": "bytes=0-100000",
  "traceparent": "00-a6b90262b4354bf885b86fe3bc425404-b699487d1cbb588b-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ContentTypeChecker/1 +https://loma.ml",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a6b90262b4354bf885b86fe3bc425404-c5ef78ee2a7a0d41-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-05 15:06:19.401 UTC +3176 ms Open Graph image GET Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://loma.ml
request headers (10) 
{
  "accept": "*/*",
  "date": "Sun, 05 Jul 2026 15:06:19 GMT",
  "host": "uatracer.com",
  "signature": "keyId=\"https://loma.ml/friendica#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) date host\",signature=\"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\"",
  "traceparent": "00-06c4d726bf232a21cab06f74c8d9cf22-636c23242adcd670-01",
  "tracestate": "",
  "user-agent": "Friendica/2026.05 DatabaseVersion/1595 Request/ActivityPub/1 +https://loma.ml",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-06c4d726bf232a21cab06f74c8d9cf22-fc1f1049f82bf13c-01",
  "x-deno-userspace-tracestate": ""
}