ua-tracer
by Paul Kinlan
trace BrKjILXd
what does a user agent actually fetch, follow & run?
Trace BrKjILXd
First seen: 2026-07-03 13:16:00.528 UTC
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 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 |
|---|---|---|---|---|
| 2026-07-03 13:16:00.528 UTC | +0 ms | homepage | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 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-GB,en-US;q=0.9,en;q=0.8",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "none",
"sec-fetch-user": "?1",
"traceparent": "00-0c72b1d0a0d5cc2d8ae8f6381ab1f754-b208b002f31eb6ea-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-0c72b1d0a0d5cc2d8ae8f6381ab1f754-f88ab823a6865147-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.312 UTC | +1784 ms | CSS | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-effe0b15fa8a31865205499b9b3b8808-724557800bfb4ad1-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-effe0b15fa8a31865205499b9b3b8808-ca6e38b3656e0134-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.312 UTC | +1784 ms | web app manifest | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 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",
"host": "uatracer.com",
"priority": "u=2",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-ab159ba2d7fc295ca04500790cec2285-58101bbe431fe076-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-ab159ba2d7fc295ca04500790cec2285-4b633735d96ccc28-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.313 UTC | +1785 ms | JS | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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": "00-1b7ebf6ff53d047887c41bc047e4d92f-152e72b7686b8a20-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-1b7ebf6ff53d047887c41bc047e4d92f-cbe1335416dfc974-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.317 UTC | +1789 ms | font (HTML) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "font",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-62e86191a7c675ae3d8e2a32f1477a2b-d364d54750e3e0c7-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-62e86191a7c675ae3d8e2a32f1477a2b-9899bb25de52b10c-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.317 UTC | +1789 ms | ES module | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "script",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-656a35dd294ddaa30596c70165025f26-d06cb191397f1edf-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-656a35dd294ddaa30596c70165025f26-416c6c0b1f333e74-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.317 UTC | +1789 ms | image | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-c269104ebcd5c200119bd12d23d6023a-182191c0cf82d6f2-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-c269104ebcd5c200119bd12d23d6023a-bdf7ed8bf060304e-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.317 UTC | +1789 ms | iframe document | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (20){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "u=0, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-eb3497414ba3a21daf269ac8f2594213-870c997ff3d15490-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-eb3497414ba3a21daf269ac8f2594213-b62bab40dd25ffa2-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.317 UTC | +1789 ms | Reporting API report (POST) | POST | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (15){
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"content-length": "515",
"content-type": "application/reports+json",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=4, i",
"traceparent": "00-cf34b4b986e681a3aabaad3651bc7575-c3fe6d457896219c-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-cf34b4b986e681a3aabaad3651bc7575-e19d271c43eefc56-01",
"x-deno-userspace-tracestate": "",
"x-report-body": "[{\"age\":0,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-elem\",\"lineNumber\":9,\"originalPolicy\":\"style-src 'self'; report-uri /r/BrKjILXd/lAi8dprF/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"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) HeadlessChrome/149.0.0.0 Safari/537.36\"}]"
}
|
||||
| 2026-07-03 13:16:02.318 UTC | +1790 ms | preload (image) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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": "00-84d61c6c67928bd4c2f8020eb50f9793-c53c7698787bc34c-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-84d61c6c67928bd4c2f8020eb50f9793-2b4d97550309d745-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.318 UTC | +1790 ms | prefetch | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (20){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-e5b48f3433dd3a367174b1497f93e31d-7a9258f03999f540-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-e5b48f3433dd3a367174b1497f93e31d-06b2fd02df4a1acb-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:02.955 UTC | +2427 ms | CSS @import (nested stylesheet) | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/r/BrKjILXd/lAi8dprF/style.css",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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-e3fc54ff9c02072e74ae85b916c80cdd-c112157b108f076f-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-e3fc54ff9c02072e74ae85b916c80cdd-542f0515386bafed-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:03.901 UTC | +3373 ms | image inside iframe | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/r/BrKjILXd/lAi8dprF/iframe",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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": "00-3d02d68429db10f7420c3d233b8eed06-c507743bee06c176-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-3d02d68429db10f7420c3d233b8eed06-f41472c09531b1bd-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:04.925 UTC | +4397 ms | CSS background-image | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/r/BrKjILXd/lAi8dprF/style.css",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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": "00-6954761d941a3e4fd37e857c39c5aa5f-a8b7c2b2068a4c08-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-6954761d941a3e4fd37e857c39c5aa5f-b564b5af5baa6b4c-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:04.937 UTC | +4409 ms | CSS @font-face | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/r/BrKjILXd/lAi8dprF/style.css",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "font",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-0b59809296acd9080812bf769d380757-6827c7f9bfb96fae-01",
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"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
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"x-deno-userspace-traceparent": "00-0b59809296acd9080812bf769d380757-c34d5501b30f569f-01",
"x-deno-userspace-tracestate": ""
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|
||||
| 2026-07-03 13:16:05.373 UTC | +4845 ms | JS executed beacon | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
"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=BrKjILXd",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"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": "00-5865207b76340c173e7716196915c386-75be3cc96ee48764-01",
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"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-5865207b76340c173e7716196915c386-f7fe9ae0dec68162-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-03 13:16:05.375 UTC | +4847 ms | Reporting API report (POST) | POST | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (23){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"content-length": "2184",
"content-type": "application/json",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-53c09ca48c71405a5c978167f31342cb-d9d9125464a466a9-01",
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"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36",
"via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-53c09ca48c71405a5c978167f31342cb-5d2e6273dfdb0fff-01",
"x-deno-userspace-tracestate": "",
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}
|
||||
| 2026-07-03 13:16:05.376 UTC | +4848 ms | ES module executed | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
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|
||||
| 2026-07-03 13:16:05.376 UTC | +4848 ms | CSP violation report (POST) | POST | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (23){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-GB,en-US;q=0.9,en;q=0.8",
"content-length": "391",
"content-type": "application/json",
"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
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"priority": "u=4, i",
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"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
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"sec-ch-ua-platform": "\"Linux\"",
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"x-deno-userspace-traceparent": "00-1a5003e23459a218a43521bbc60de246-18f6034ae7c23c85-01",
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|
||||
| 2026-07-03 13:16:06.622 UTC | +6094 ms | favicon | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (19){
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"cookie": "ua-tracer-trace=BrKjILXd",
"host": "uatracer.com",
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"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
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"sec-fetch-dest": "image",
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|
||||
| 2026-07-03 13:16:07.224 UTC | +6696 ms | client timing POST | POST | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36 |
request headers (22){
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"cookie": "ua-tracer-trace=BrKjILXd",
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"sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
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"x-deno-userspace-traceparent": "00-9a640c0d38830165873a99252e142759-50aec6a996d9fcea-01",
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|
||||
| 2026-07-06 05:20:32.858 UTC | +230672330 ms | JS executed beacon | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-93187ca766f9e97dfb649ce76a65ed02-724de026928175d5-01",
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"x-deno-userspace-tracestate": ""
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|
||||
| 2026-07-06 05:22:13.330 UTC | +230772802 ms | CSP violation report (POST) | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
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"connection": "close",
"host": "uatracer.com",
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"x-deno-userspace-tracestate": ""
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|
||||
| 2026-07-06 09:00:41.123 UTC | +243880595 ms | iframe document | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (7){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-4bfb202baeffebb872cffb654e271f3a-5d99c39270a84364-01",
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"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-06 10:09:37.083 UTC | +248016555 ms | preload (image) | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (7){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
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"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-07-06 11:04:17.047 UTC | +251296519 ms | prefetch | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-1f356c646e0fac650649ce23e7313861-dec6bd68978dbaa8-01",
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"x-deno-userspace-traceparent": "00-1f356c646e0fac650649ce23e7313861-a2c1cc56851a12f9-01",
"x-deno-userspace-tracestate": ""
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|
||||
| 2026-07-06 14:42:49.092 UTC | +264408564 ms | CSS background-image | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-d55fa2b4761ddafa6eb2084bb1051fe0-053d826a1a0e9a94-01",
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|
||||
| 2026-07-07 02:25:09.440 UTC | +306548912 ms | ES module executed | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-0eae1e0cf7cc172a4efe5b5cbd9395eb-4215e2901f5c993f-01",
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"x-deno-userspace-traceparent": "00-0eae1e0cf7cc172a4efe5b5cbd9395eb-8fa9fc7cd67b786d-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-07-07 03:02:11.211 UTC | +308770683 ms | image | GET | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36 |
request headers (9){
"accept-encoding": "gzip,deflate",
"connection": "close",
"host": "uatracer.com",
"traceparent": "00-0ecfcc638e2c7bb1c2c2df356e53123d-11d130168fd17005-01",
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"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-0ecfcc638e2c7bb1c2c2df356e53123d-a07d1841e7943fe1-01",
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|
||||
Client-side resource waterfall
Reported by performance.getEntriesByType('resource') after JS ran in the UA. This proves a real
browser-grade engine, not just a downloader.
| Resource | Initiator | Start | Duration | Timeline |
|---|---|---|---|---|
| link | 1944ms | 976ms | ||
| link | 1944ms | 3490ms | ||
| link | 1944ms | 1282ms | ||
| link | 1945ms | 3445ms | ||
| link | 1945ms | 1593ms | ||
| iframe | 1967ms | 1907ms | ||
| img | 1967ms | 3421ms | ||
| script | 1967ms | 3381ms | ||
| script | 1967ms | 2249ms | ||
| css | 2920ms | 1984ms | ||
| css | 4906ms | 1039ms | ||
| css | 4906ms | 699ms | ||
| img | 5350ms | 939ms | ||
| beacon | 5352ms | 1599ms | ||
| img | 5352ms | 1249ms |