ua-tracer
by Paul Kinlan
trace kxqNq7X5
what does a user agent actually fetch, follow & run?
Trace kxqNq7X5
First seen: 2026-08-16 08:35:38.745 UTC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
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 |
|---|---|---|---|---|
| 2026-08-16 08:35:38.745 UTC | +0 ms | homepage | GET | Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 |
request headers (18){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US",
"dnt": "1",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-ch-ua": "\"HeadlessChrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"macOS\"",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"traceparent": "00-2e5ecfb3c722afc5d608b6c83021e21d-a15ddc0865a6e44d-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
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| 2026-08-16 08:35:42.469 UTC | +3724 ms | iframe document | GET | Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 |
request headers (19){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US",
"cookie": "ua-tracer-trace=kxqNq7X5",
"dnt": "1",
"host": "uatracer.com",
"priority": "u=0, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"HeadlessChrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"macOS\"",
"sec-fetch-dest": "iframe",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "same-origin",
"traceparent": "00-214b96f4cce83c897a587503f6f3de67-4c2e24cfb535f090-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
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| 2026-08-16 08:42:48.577 UTC | +429832 ms | favicon | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 |
request headers (9){
"accept": "image/avif,image/webp,image/apng,image/*,*/*;q=0.8",
"accept-encoding": "gzip, deflate",
"host": "uatracer.com",
"traceparent": "00-4dfa9cdf7a39621ee6f973889c9b112b-b901cc16619d125d-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-4dfa9cdf7a39621ee6f973889c9b112b-a69db868115c9138-01",
"x-deno-userspace-tracestate": ""
}
|
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