ua-tracer
by Paul Kinlan
trace QkpS7YbM
what does a user agent actually fetch, follow & run?
Trace QkpS7YbM
First seen: 2026-07-16 07:46:02.659 UTC
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 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 |
|---|---|---|---|---|
| 2026-07-16 07:46:02.659 UTC | +0 ms | homepage | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 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-GB,en-US;q=0.9,en;q=0.8",
"host": "uatracer.com",
"priority": "u=0, i",
"referer": "https://webweekly.email/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "cross-site",
"sec-fetch-user": "?1",
"traceparent": "00-b1651149a02b7edde66ab7c22b5db376-0a56c222c024aa3f-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.009 UTC | +2350 ms | font (HTML) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (18){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "font",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-1da49900e293fa8a709aaf355ca5a5dc-3ea8b714067b8d63-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.021 UTC | +2362 ms | CSS | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (17){
"accept": "text/css,*/*;q=0.1",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "style",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-3ec8a3705060c6de37101930baacd7f7-a96f39c295a5aefb-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.040 UTC | +2381 ms | preload (image) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (17){
"accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "image",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-63668c1dcde3d954dedde13377997a2c-58ffe6be790797c6-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.043 UTC | +2384 ms | prefetch | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 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-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"sec-purpose": "prefetch",
"traceparent": "00-bc1ea30b33df2f93a77b571c9324979f-2e68b8b80076992d-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.044 UTC | +2385 ms | iframe document | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 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-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "u=0, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "iframe",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "same-origin",
"traceparent": "00-59684d15bb2d5974393f6cddbd00eec6-25f0bd19d7b8908a-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.065 UTC | +2406 ms | JS | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "script",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-d01671d5057d4e0a666ce7c065173738-cf49cdc74482574b-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.069 UTC | +2410 ms | ES module | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (18){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "script",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-0fc4dd683cddc03d5bb944311fddb13b-ca92604c9d1ebffc-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.069 UTC | +2410 ms | image | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (17){
"accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "image",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-688e8a82d1f12b8562b56e54d92c9922-3c6ba14281c26dc0-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:05.104 UTC | +2445 ms | web app manifest | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (16){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"host": "uatracer.com",
"priority": "u=2",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "manifest",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-c89f0d81c9897b23ebe9f3af6a67c54e-6e6f6884af5b7a33-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:06.081 UTC | +3422 ms | CSS @import (nested stylesheet) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (17){
"accept": "text/css,*/*;q=0.1",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/r/QkpS7YbM/9p1al64V/style.css",
"sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "style",
"sec-fetch-mode": "no-cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-c57da3eeb925cb47b9547fccd32454fd-8a5a6a0ee004a6ee-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-16 07:46:07.382 UTC | +4723 ms | Reporting API report (POST) | POST | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 |
request headers (13){
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"content-length": "2139",
"content-type": "application/reports+json",
"cookie": "ua-tracer-trace=QkpS7YbM",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=4, i",
"traceparent": "00-beb35e8dbeecda279c285c78dcdc2ca0-9a0f485cfd1b7542-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-report-body": "[{\"age\":2322,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-elem\",\"lineNumber\":9,\"originalPolicy\":\"style-src 'self'; report-uri /r/QkpS7YbM/9p1al64V/csp-report; report-to ua-tracer\",\"referrer\":\"https://webweekly.email/\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"user_agent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36\"},{\"age\":2320,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":755,\"originalPolicy\":\"style-src 'self'; report-uri /r/QkpS7YbM/9p1al64V/csp-report; report-to ua-tracer\",\"referrer\":\"https://webweekly.email/\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"user_agent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36\"},{\"age\":2321,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":247,\"originalPolicy\":\"style-src 'self'; report-uri /r/QkpS7YbM/9p1al64V/csp-report; report-to ua-tracer\",\"referrer\":\"https://webweekly.email/\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"user_agent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36\"},{\"age\":2321,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":243,\"originalPolicy\":\"style-src 'self'; report-uri /r/QkpS7YbM/9p1al64V/csp-report; report-to ua-tracer\",\"referrer\":\"https://webweekly.email/\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"user_agent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36\"}]"
}
|
||||