ua-tracer
by Paul Kinlan
trace 6Z1SvIC4
what does a user agent actually fetch, follow & run?
Trace 6Z1SvIC4
First seen: 2026-08-09 04:22:17.222 UTC
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 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 |
|---|---|---|---|---|
| 2026-08-09 04:22:17.222 UTC | +0 ms | homepage | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 |
request headers (13){
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"accept-encoding": "gzip, deflate",
"accept-language": "ko-KR,ko;q=0.9,en;q=0.8",
"connection": "keep-alive",
"cookie": "HandLtestDomainNameServer=HandLtestDomainValueServer; ep203=\"/tJ7WLrye9uRmAqd1Gn0g1rlUkM=\"; handl_ip=171.106.66.46; handl_landing_page=https%3A%2F%2Fsprylab.com%2Fde%2F; handl_original_ref=https%3A%2F%2Fwww.bing.com%2F; handl_ref=https%3A%2F%2Ftwitter.com%2F; handl_url=https%3A%2F%2Fembodimentunlimited.com%2Fcec%2F%255C; handl_url_base=https%3A%2F%2Fembodimentunlimited.com%2Fcec%2F%255C; organic_source=https%3A%2F%2Fwww.bing.com%2F; organic_source_str=Bing; user_agent=Mozilla%2F5.0%20%28X11%3B%20Ubuntu%3B%20Linux%20x86_64%3B%20rv%3A124.0%29%20Gecko%2F20100101%20Firefox%2F124.0",
"host": "uatracer.com",
"referer": "https://www.baidu.com/",
"traceparent": "00-5141adfd53a08d83fcf66c57f14d3e44-54cc593629406077-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-5141adfd53a08d83fcf66c57f14d3e44-977a8dbfbc21a16f-01",
"x-deno-userspace-tracestate": ""
}
|
||||