ua-tracer
by Paul Kinlan
trace lBURN3Nu
what does a user agent actually fetch, follow & run?
Trace lBURN3Nu
First seen: 2026-08-09 00:55:23.278 UTC
User-Agent: Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)
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 00:55:23.278 UTC | +0 ms | homepage | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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,en;q=0.9",
"host": "uatracer.com",
"priority": "u=0, i",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-f1e3de91f44326b54829713ae816597b-e01059219451a74e-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-f1e3de91f44326b54829713ae816597b-cf139936a4500495-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.831 UTC | +1553 ms | font (HTML) | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-d86ab0cc95ac7645dee32354c5a3c441-4a516ca5546d7abe-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-d86ab0cc95ac7645dee32354c5a3c441-62ab20c229c9e9ce-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.836 UTC | +1558 ms | CSS | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (19){
"accept": "text/css,*/*;q=0.1",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-2c82e8908dd94375d3a2391de9fee53a-7e3c171999935151-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-2c82e8908dd94375d3a2391de9fee53a-35244d637d37e418-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.844 UTC | +1566 ms | preload (image) | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-44ade867f5db9978329073c995b581e1-b7693d801d5da0cd-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-44ade867f5db9978329073c995b581e1-c3713db8b0a9b64f-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.855 UTC | +1577 ms | prefetch | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-cb2c00521726d0314ea487b745075ed7-7f768a4e9ee81e16-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-cb2c00521726d0314ea487b745075ed7-e706d7c8f77abcf7-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.881 UTC | +1603 ms | Reporting API report (POST) | POST | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (15){
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"content-length": "483",
"content-type": "application/reports+json",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=4, i",
"traceparent": "00-92e80bcafea987b6e13301ecf3b0e8bc-744f59ebb8c4cc72-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-92e80bcafea987b6e13301ecf3b0e8bc-3532a8dccfb80295-01",
"x-deno-userspace-tracestate": "",
"x-report-body": "[{\"age\":2,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-elem\",\"lineNumber\":9,\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/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 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)\"}]"
}
|
||||
| 2026-08-09 00:55:24.944 UTC | +1666 ms | ES module | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-e7f464644dfd1a87ea07cdfc633b8f3d-56c42df44b41bd97-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-e7f464644dfd1a87ea07cdfc633b8f3d-ad37fb2e879415cf-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.959 UTC | +1681 ms | image | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-7e02d6e70e20c57bd912de43334e0f06-e34dbb70a6dc5992-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-7e02d6e70e20c57bd912de43334e0f06-19fd07c8dc228b6a-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.961 UTC | +1683 ms | JS | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (19){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=1",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-f9553ff657c6d5589f2f84e97ab59a19-574246fb3a9f5b52-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-f9553ff657c6d5589f2f84e97ab59a19-4dc27193a4803547-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:24.961 UTC | +1683 ms | iframe document | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=0, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "iframe",
"sec-fetch-mode": "navigate",
"sec-fetch-site": "same-origin",
"traceparent": "00-3104876d0a0e9f4e7997b8a6e4011789-b06b37df634001ab-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-3104876d0a0e9f4e7997b8a6e4011789-01109f7d6df1539b-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:25.011 UTC | +1733 ms | web app manifest | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (18){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"host": "uatracer.com",
"priority": "u=2",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "manifest",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-2ac78a7a1edb8edf21ea70e54102b3b2-a23cfc50a4929582-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-2ac78a7a1edb8edf21ea70e54102b3b2-548aa5e9e78b0996-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:26.345 UTC | +3067 ms | image inside iframe | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/r/lBURN3Nu/AYutZtUP/iframe",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-658971163cfdf8db8fc303c9d94a2a9a-b8128b99de5fbc2a-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-658971163cfdf8db8fc303c9d94a2a9a-efffb0dd9dad022c-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:26.612 UTC | +3334 ms | CSS @import (nested stylesheet) | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (19){
"accept": "text/css,*/*;q=0.1",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/r/lBURN3Nu/AYutZtUP/style.css",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-22b12b07b6a3d9b2af3278fbc0d541a5-23409447f84bac17-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-22b12b07b6a3d9b2af3278fbc0d541a5-99b61103ef169ab7-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:27.263 UTC | +3985 ms | CSS background-image | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/r/lBURN3Nu/AYutZtUP/style.css",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-3337954e2c206f9a8ef28141009e8b2e-7b0ee62cdacc25e7-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-3337954e2c206f9a8ef28141009e8b2e-a57e2420577aa85a-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:27.294 UTC | +4016 ms | CSS @font-face | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (20){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"origin": "https://uatracer.com",
"priority": "u=0",
"referer": "https://uatracer.com/r/lBURN3Nu/AYutZtUP/style.css",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "font",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-2fe9253490d3d2281fe9c234b3814777-d0f5308231cbad63-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-2fe9253490d3d2281fe9c234b3814777-c31885c49175afe9-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:27.313 UTC | +4035 ms | JS executed beacon | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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": "00-01605aa84a6f715e1152f240580a75e4-de0920145edc895b-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-01605aa84a6f715e1152f240580a75e4-413509ae36ff8f59-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:27.331 UTC | +4053 ms | CSP violation report (POST) | POST | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (22){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"content-length": "359",
"content-type": "application/json",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-9944e11ba16b7431561735f1a74b9f85-44be25cc89c28c27-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-9944e11ba16b7431561735f1a74b9f85-25ee3add649e4320-01",
"x-deno-userspace-tracestate": "",
"x-report-body": "{\"source\":\"securitypolicyviolation\",\"violatedDirective\":\"style-src-attr\",\"effectiveDirective\":\"style-src-attr\",\"blockedURI\":\"inline\",\"documentURI\":\"https://uatracer.com/\",\"disposition\":\"report\",\"lineNumber\":45,\"sourceFile\":\"https://uatracer.com/r/lBURN3Nu/AYutZtUP/main.js\",\"ua\":\"Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)\"}"
}
|
||||
| 2026-08-09 00:55:27.336 UTC | +4058 ms | Reporting API report (POST) | POST | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (22){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"content-length": "2152",
"content-type": "application/json",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-602019771a802e235ee765857b469da5-40bea52f75480eb9-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-602019771a802e235ee765857b469da5-fa9092819bee625b-01",
"x-deno-userspace-tracestate": "",
"x-report-body": "{\"source\":\"ReportingObserver\",\"reports\":[{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":9,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-elem\",\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":243,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":247,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":755,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/r/lBURN3Nu/AYutZtUP/main.js\",\"lineNumber\":45,\"columnNumber\":11,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/lBURN3Nu/AYutZtUP/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}}],\"ua\":\"Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)\"}"
}
|
||||
| 2026-08-09 00:55:27.341 UTC | +4063 ms | ES module executed | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-d1c9ba158c79e2a5bb52e8547be91d72-6ab054d3e0a47f12-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-d1c9ba158c79e2a5bb52e8547be91d72-006d54a2859eb8df-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:28.977 UTC | +5699 ms | favicon | GET | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
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-US,en;q=0.9",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=1, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"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-dee6ce3d5a697350844290b13de706a6-26c86a2b3a1bc2a6-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-dee6ce3d5a697350844290b13de706a6-4548db263217c560-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 00:55:29.574 UTC | +6296 ms | client timing POST | POST | Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler) |
request headers (21){
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9",
"content-length": "2889",
"content-type": "application/json",
"cookie": "ua-tracer-trace=lBURN3Nu",
"host": "uatracer.com",
"priority": "u=4, i",
"referer": "https://uatracer.com/",
"sec-ch-ua": "\"Chromium\";v=\"151\", \"Not=A?Brand\";v=\"99\"",
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": "\"Linux\"",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
"traceparent": "00-5b8fd9f337747c446324c50363721bea-ad17e293dfd9f67d-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (compatible; ev-crawler/1.0; +https://headline.com/legal/crawler)",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-5b8fd9f337747c446324c50363721bea-032a25b8b86bc747-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-08-09 02:19:45.259 UTC | +5061981 ms | web app manifest | GET | Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1 |
request headers (12){
"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",
"accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
"cache-control": "no-cache",
"connection": "keep-alive, close",
"host": "uatracer.com",
"pragma": "no-cache",
"traceparent": "00-899fec91854b7c9c8f3b14306953a662-67fe608230c231b8-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
| 2026-08-09 02:29:16.976 UTC | +5633698 ms | Reporting API report (POST) | GET | Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1 |
request headers (12){
"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",
"accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
"cache-control": "no-cache",
"connection": "keep-alive, close",
"host": "uatracer.com",
"pragma": "no-cache",
"traceparent": "00-8815f876ca3c296728f7af43d2374f4c-ae12abcd1d14fb06-01",
"tracestate": "",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
"via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
|
||||
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 | 1622ms | 1805ms | ||
| link | 1623ms | 487ms | ||
| link | 1623ms | 2036ms | ||
| link | 1676ms | 680ms | ||
| link | 1690ms | 809ms | ||
| iframe | 1775ms | 2120ms | ||
| img | 1785ms | 441ms | ||
| script | 1787ms | 854ms | ||
| script | 1789ms | 1038ms | ||
| css | 3429ms | 643ms | ||
| css | 4105ms | 458ms | ||
| css | 4105ms | 1670ms | ||
| img | 4158ms | 862ms | ||
| beacon | 4175ms | 1406ms | ||
| beacon | 4178ms | 606ms | ||
| img | 4186ms | 1124ms | ||
| other | 5800ms | 449ms |