ua-tracer by Paul Kinlan

trace mms3h1h5

ua-tracer

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

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Trace mms3h1h5

First seen: 2026-10-06 21:43:40.136 UTC
User-Agent: Misskey/2025.5.2-dev+gb97839f (https://social.succukitty.com/)
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
2026-10-06 21:43:40.136 UTC +0 ms homepage GET Misskey/2025.5.2-dev+gb97839f (https://social.succukitty.com/)
request headers (10) 
{
  "accept": "application/activity+json, application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "date": "Tue, 06 Oct 2026 21:43:40 GMT",
  "host": "uatracer.com",
  "signature": "keyId=\"https://social.succukitty.com/users/ajjjvm7v476o000d#main-key\",algorithm=\"rsa-sha256\",headers=\"(request-target) date host accept\",signature=\"BduQ4e82iPlrIHMiB/EqR4EbKtp5GLBLkieWGiBNo+//eI/XXY7oka0tRwx7VPsx73nR1W95XgX+S+WAQazf/tsMZHW9Sc+uigjSYILQpv7R0D37pp2ttb5pP7VMm6lgfhNxpmPqhEuLd7zxJm5RnubGvj7lzNpum5YQMn3bD4bttQimhrYEa9G8LtSTtuWVtXk0Wqq4jgcPrMGRYVPC9wCdmAoVYNE+GQiqPaKQ5eCI166G/mZbIHr+2tJ4ADSBGeFRlKvGcf4OepdrfbFaVUQX8UFHN4nYo6b3xI0bTpMHBEE7R7bb0+51VQrKHzzCvre4NtfVpV8lpkmUuav6Fg==\"",
  "traceparent": "00-fffb275b612fbd0e78cc082f31007062-b1fa6e505640c4db-01",
  "tracestate": "",
  "user-agent": "Misskey/2025.5.2-dev+gb97839f (https://social.succukitty.com/)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}