ua-tracer
by Paul Kinlan
trace TcRJKl3Z
what does a user agent actually fetch, follow & run?
Trace TcRJKl3Z
First seen: 2026-08-15 05:51:18.501 UTC
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 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 |
|---|---|---|---|---|
| 2026-08-15 05:51:18.501 UTC | +0 ms | homepage | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (15){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-98aa54afaf5a8ae2ef76d83ee5eefc42-4980d56e13a57bf0-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-08-15 05:51:32.624 UTC | +14123 ms | JS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-0afda43e743cc416f19b187d50e50833-633765edec2b203c-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-0afda43e743cc416f19b187d50e50833-5149913ad53f438f-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:51:39.488 UTC | +20987 ms | ES module | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-18e54d7a044786f940506c9ba2438631-c352cdc2d8db9c51-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-18e54d7a044786f940506c9ba2438631-8fd24b25ae10fb3f-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:51:45.405 UTC | +26904 ms | CSS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-c80915f2d06f4826789ed6392b9429dc-d2c76e410d164035-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-c80915f2d06f4826789ed6392b9429dc-2537d630a2f23472-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:55:40.682 UTC | +262181 ms | JS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-f2ca12c098f5a8b609eeb899b963b4d4-828674bd9fb107a4-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-f2ca12c098f5a8b609eeb899b963b4d4-abaf6eb84f289f3f-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:55:45.211 UTC | +266710 ms | ES module | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-862c7966b398257b6e27ff1724f57d89-dee8e0a54880ea69-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-862c7966b398257b6e27ff1724f57d89-50b73de667764dde-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:55:56.116 UTC | +277615 ms | CSS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-8889634a1360a2154e792ce0acf9a5c9-47cd830e06b920b5-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-8889634a1360a2154e792ce0acf9a5c9-cb0bbb08f3ce72cc-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:56:31.649 UTC | +313148 ms | JS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (15){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-f16119b4419d1d94b3c80fbc48a2c3d9-75168509126706f4-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-08-15 05:56:37.104 UTC | +318603 ms | ES module | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (15){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-a9529fd16cb3dc36b6913e32425ea3d1-83fbed4caf44d159-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-08-15 05:56:42.823 UTC | +324322 ms | CSS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-4473071ce53f4f86fd56be1e9c9cf805-b7d7aa507bfa6f71-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-4473071ce53f4f86fd56be1e9c9cf805-d773613df477df0c-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:56:53.631 UTC | +335130 ms | JS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-b3579202645c33824944092b82048e24-489507848adae73e-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-b3579202645c33824944092b82048e24-d062c9834af8f6bf-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:57:22.525 UTC | +364024 ms | ES module | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (17){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-1032de1a94ec62e6ad7095d00503b1a6-5ab30a4731f5b4e7-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-1032de1a94ec62e6ad7095d00503b1a6-31c002de0a4a1ec7-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-15 05:58:22.256 UTC | +423755 ms | CSS | GET | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 |
request headers (15){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.5",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"te": "trailers",
"traceparent": "00-b65fb5a675cf9b2cb0338406a41fa6b8-35a7a55474b3d3b1-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
|
||||