ua-tracer
by Paul Kinlan
trace AP8Jiik2
what does a user agent actually fetch, follow & run?
Trace AP8Jiik2
First seen: 2026-11-04 17:07:32.251 UTC
User-Agent: PipericBot/1.0 (+https://piperic.com/bot)
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.
| Received | Δ | Kind | Method | User-Agent |
|---|---|---|---|---|
| 2026-11-04 17:07:32.251 UTC | +0 ms | homepage | GET | PipericBot/1.0 (+https://piperic.com/bot) |
request headers (7){
"accept-encoding": "gzip",
"accept-language": "en,en-US;q=0.9",
"host": "uatracer.com",
"traceparent": "00-0214cd5fd4cc5f6d50fefe1b441de8da-e8af0d2b2ade4dc9-01",
"tracestate": "",
"user-agent": "PipericBot/1.0 (+https://piperic.com/bot)",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
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