ua-tracer by Paul Kinlan

trace tc6GjK5y

ua-tracer

what does a user agent actually fetch, follow & run?

← all traces

Trace tc6GjK5y

First seen: 2026-07-18 14:23:26.367 UTC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
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.

ReceivedΔKindMethodUser-Agent
2026-07-18 14:23:26.367 UTC +0 ms homepage GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-1c7ff678c8412b3745f9dd019135ebf4-5191ce5dadc0841d-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.739 UTC +2372 ms CSS GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-bea4b1107f960e37a6392d3cad6503a5-f66a29c40f2bfe89-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.741 UTC +2374 ms preload (image) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-de9a83a0670ea9e7816690cdb0c4a62b-dab6b2a8d3a5731d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.742 UTC +2375 ms font (HTML) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "application/font-woff2;q=1.0,application/font-woff;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-b0559db34e09fe96e28f74b62118b78f-7002c0aac68b2257-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.742 UTC +2375 ms JS GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-061552111b53dd929eccbc31b064757d-edf9ae6e003210c5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.744 UTC +2377 ms image GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-0e983f90677319c1ba58017b57e5deac-403ae9bdcc27aa7a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.751 UTC +2384 ms ES module GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-2a65216f7200ad1104ec5cbf2f64229e-183e3bae380286a0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.784 UTC +2417 ms iframe document GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (18) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=4",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-c4d1a34dc0e999edcedfc04978043577-1392653671ff28a1-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:28.823 UTC +2456 ms Reporting API report (POST) POST Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "3586",
  "content-type": "application/reports+json",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-e6b5f8fe51fe8a1783adc3f591aedee4-a7cdc8877fffa54f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-report-body": "[\n {\n  \"age\": 29,\n  \"type\": \"csp-violation\",\n  \"url\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n  \"user_agent\": \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0\",\n  \"body\": {\n \"documentURL\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"blockedURL\": \"inline\",\n \"referrer\": null,\n \"effectiveDirective\": \"style-src-elem\",\n \"originalPolicy\": \"style-src 'self'; report-uri https://uatracer.com/r/tc6GjK5y/7I5QCFOD/csp-report; report-to ua-tracer\",\n \"sourceFile\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"sample\": null,\n \"disposition\": \"report\",\n \"statusCode\": 200,\n \"lineNumber\": 9,\n \"columnNumber\": 1\n}\n\n },\n {\n  \"age\": 27,\n  \"type\": \"csp-violation\",\n  \"url\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n  \"user_agent\": \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0\",\n  \"body\": {\n \"documentURL\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"blockedURL\": \"inline\",\n \"referrer\": null,\n \"effectiveDirective\": \"style-src-attr\",\n \"originalPolicy\": \"style-src 'self'; report-uri https://uatracer.com/r/tc6GjK5y/7I5QCFOD/csp-report; report-to ua-tracer\",\n \"sourceFile\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"sample\": null,\n \"disposition\": \"report\",\n \"statusCode\": 200,\n \"lineNumber\": 0,\n \"columnNumber\": 1\n}\n\n },\n {\n  \"age\": 27,\n  \"type\": \"csp-violation\",\n  \"url\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n  \"user_agent\": \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0\",\n  \"body\": {\n \"documentURL\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"blockedURL\": \"inline\",\n \"referrer\": null,\n \"effectiveDirective\": \"style-src-attr\",\n \"originalPolicy\": \"style-src 'self'; report-uri https://uatracer.com/r/tc6GjK5y/7I5QCFOD/csp-report; report-to ua-tracer\",\n \"sourceFile\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"sample\": null,\n \"disposition\": \"report\",\n \"statusCode\": 200,\n \"lineNumber\": 0,\n \"columnNumber\": 1\n}\n\n },\n {\n  \"age\": 27,\n  \"type\": \"csp-violation\",\n  \"url\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n  \"user_agent\": \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0\",\n  \"body\": {\n \"documentURL\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"blockedURL\": \"inline\",\n \"referrer\": null,\n \"effectiveDirective\": \"style-src-attr\",\n \"originalPolicy\": \"style-src 'self'; report-uri https://uatracer.com/r/tc6GjK5y/7I5QCFOD/csp-report; report-to ua-tracer\",\n \"sourceFile\": \"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\n \"sample\": null,\n \"disposition\": \"report\",\n \"statusCode\": 200,\n \"lineNumber\": 0,\n \"columnNumber\": 1\n}\n\n }\n]"
}
2026-07-18 14:23:29.396 UTC +3029 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/r/tc6GjK5y/7I5QCFOD/style.css",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-c575cc3df8a35d561b7a7c7ab4ba5cff-59b8e56ab07733f7-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:31.168 UTC +4801 ms image inside iframe GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/r/tc6GjK5y/7I5QCFOD/iframe",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-b43ab0863d3f0a4cf4f4a19df09fc1af-bf5e30134bdd384c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:32.498 UTC +6131 ms CSS background-image GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/r/tc6GjK5y/7I5QCFOD/style.css",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-1b01ed9b1a368bf2b28b3998e176aeae-19e104eec5d37f4a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:32.527 UTC +6160 ms CSS @font-face GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (16) 
{
  "accept": "application/font-woff2;q=1.0,application/font-woff;q=0.9,*/*;q=0.8",
  "accept-encoding": "identity",
  "accept-language": "sv-SE,sv;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=tc6GjK5y",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/tc6GjK5y/7I5QCFOD/style.css",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-40383f0abcc78536ba9fa40a5646f822-4cc334c309fa1737-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-18 14:23:32.530 UTC +6163 ms JS executed beacon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
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2026-07-18 14:23:32.532 UTC +6165 ms CSP violation report (POST) POST Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
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2026-07-18 14:23:32.532 UTC +6165 ms ES module executed GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
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2026-07-18 14:23:32.535 UTC +6168 ms Reporting API report (POST) POST Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (21) 
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2026-07-18 14:23:32.536 UTC +6169 ms Reporting API report (POST) POST Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (21) 
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2026-07-18 14:23:32.942 UTC +6575 ms favicon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
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2026-07-18 14:23:32.945 UTC +6578 ms apple-touch-icon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
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2026-07-18 14:23:36.480 UTC +10113 ms client timing POST POST Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (20) 
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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.

ResourceInitiatorStartDurationTimeline
style.css link 3511ms 669ms
font.woff2 other 3511ms 981ms
preload.png link 3511ms 2026ms
photo.png img 3523ms 1396ms
main.js script 3523ms 3249ms
module.js script 3540ms 1623ms
iframe iframe 3566ms 2376ms
apple-touch-icon.png other 3569ms 6777ms
favicon.ico other 3570ms 7462ms
import.css css 4182ms 3092ms
css-bg.png css 7285ms 672ms
css-font.woff2 other 7315ms 1018ms
js-ran.gif?t=1784384612460 img 7316ms 3336ms
module-ran.gif?t=1784384612461 img 7317ms 1394ms
csp-report other 7317ms 2145ms
report other 7318ms 2517ms