ua-tracer by Paul Kinlan

trace XaADXGRv

ua-tracer

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

← all traces

Trace XaADXGRv

First seen: 2026-07-13 23:37:32.621 UTC
User-Agent: Mozilla/5.0 (X11; Linux x86_64; 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
2026-07-13 23:37:32.621 UTC +0 ms homepage GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;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": "00-78758265d5357af6dfb747ae46226ec3-1fe85be865a6428c-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.319 UTC +1698 ms CSS GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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": "00-7da492146ce718d49a75a9b992a87150-2c0ce4284a292bfd-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.321 UTC +1700 ms font (HTML) GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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-d0dfc691576f44e2a9ea50f35ebd2ccb-c777038bf2d71f4e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.323 UTC +1702 ms preload (image) GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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": "00-12a0d5306185f639d49f97bef155f88e-223fb075972a5102-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.429 UTC +1808 ms Reporting API report (POST) POST Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "2648",
  "content-type": "application/reports+json",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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": "00-3bcaa91b29d8649fd6fb6ff964513d52-199b5ee406f041e6-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-report-body": "[\n {\n  \"age\": 19,\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 (X11; Linux x86_64; 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/XaADXGRv/YSQgfGa8/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\": 17,\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 (X11; Linux x86_64; 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/XaADXGRv/YSQgfGa8/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\": 17,\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 (X11; Linux x86_64; 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/XaADXGRv/YSQgfGa8/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]"
}
2026-07-13 23:37:34.531 UTC +1910 ms JS GET Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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-e62ac6d0b177ed613f6cb684c168edae-05ce7fb7b422c384-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.536 UTC +1915 ms image GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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-a0fe39b851fe4493d7b094d11814341c-1f50643b5580d936-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.537 UTC +1916 ms iframe document GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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-b704db154c612d762e8bb86a01ad4cff-0d172f845725e635-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.539 UTC +1918 ms ES module GET Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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-d1b96f95e9256af28fa11f0e1da4e475-b9911ea01a646fc8-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:34.543 UTC +1922 ms Reporting API report (POST) POST Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "883",
  "content-type": "application/reports+json",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "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": "00-24a63734c184734fdbd430b7d4be1e25-f7833d59976f3aa6-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-report-body": "[\n {\n  \"age\": 4,\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 (X11; Linux x86_64; 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/XaADXGRv/YSQgfGa8/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]"
}
2026-07-13 23:37:34.828 UTC +2207 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/r/XaADXGRv/YSQgfGa8/style.css",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-542395597d074f353e449f7627d4f34b-b13ae3af570e1ab4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:35.646 UTC +3025 ms image inside iframe GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/r/XaADXGRv/YSQgfGa8/iframe",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-bf13d9a51ea47642abbdaa24ffa64f23-391b8355d655d2cf-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:36.952 UTC +4331 ms CSS background-image GET Mozilla/5.0 (X11; Linux x86_64; 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": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=XaADXGRv",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/r/XaADXGRv/YSQgfGa8/style.css",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-14005f40c3bf4677b204e945c5571867-b8619746116ea1d0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-13 23:37:36.960 UTC +4339 ms JS executed beacon GET Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
request headers (17) 
{
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2026-07-13 23:37:36.962 UTC +4341 ms CSS @font-face GET Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0
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  "user-agent": "Python/3.13 aiohttp/3.14.1",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a7e20e00c8eff25dd41f56da61670008-dc30fbfcc9dd0af3-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-15 07:13:30.553 UTC +113757932 ms image GET Python/3.13 aiohttp/3.14.1
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "host": "uatracer.com",
  "traceparent": "00-2c3f72ad6b9cc3afe8b896b2c108dc23-e4ac1a4d7ea120ae-01",
  "tracestate": "",
  "user-agent": "Python/3.13 aiohttp/3.14.1",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-2c3f72ad6b9cc3afe8b896b2c108dc23-eb2320c8605928cb-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-15 07:13:31.539 UTC +113758918 ms CSS background-image GET Python/3.13 aiohttp/3.14.1
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "host": "uatracer.com",
  "traceparent": "00-d31744cf828f3a9719dde5d2691e8bd5-91ac7099b0bf15fc-01",
  "tracestate": "",
  "user-agent": "Python/3.13 aiohttp/3.14.1",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-d31744cf828f3a9719dde5d2691e8bd5-b065285bdcfdd72c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-15 07:14:01.487 UTC +113788866 ms image GET Python/3.12 aiohttp/3.12.15
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "cookie": "care_did=c0e1f497-3e8d-4ad8-a80e-d1035b7ea5f2",
  "host": "uatracer.com",
  "traceparent": "00-8778ad060213b941d8e16cdacae9cde1-6eced362a59a5ee5-01",
  "tracestate": "",
  "user-agent": "Python/3.12 aiohttp/3.12.15",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-15 07:14:01.491 UTC +113788870 ms preload (image) GET Python/3.12 aiohttp/3.12.15
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "cookie": "care_did=c0e1f497-3e8d-4ad8-a80e-d1035b7ea5f2",
  "host": "uatracer.com",
  "traceparent": "00-550e43c301a9eb157b080fa576844e56-a229eb8d270c1228-01",
  "tracestate": "",
  "user-agent": "Python/3.12 aiohttp/3.12.15",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-15 07:14:01.502 UTC +113788881 ms CSS background-image GET Python/3.12 aiohttp/3.12.15
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "cookie": "care_did=c0e1f497-3e8d-4ad8-a80e-d1035b7ea5f2",
  "host": "uatracer.com",
  "traceparent": "00-b8ee77e7d13ef4a578e34841a1d3e9dc-1391ea02ae7d69f5-01",
  "tracestate": "",
  "user-agent": "Python/3.12 aiohttp/3.12.15",
  "via": "HTTP/1.1 ams.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.

ResourceInitiatorStartDurationTimeline
style.css link 2632ms 560ms
font.woff2 other 2632ms 772ms
preload.png link 2632ms 1639ms
favicon.ico other 2778ms 3645ms
apple-touch-icon.png other 2778ms 4120ms
photo.png img 2897ms 2142ms
main.js script 2898ms 896ms
module.js script 2901ms 700ms
iframe iframe 2901ms 1110ms
import.css css 3194ms 2120ms
css-bg.png css 5317ms 734ms
js-ran.gif?t=1783985856871 img 5317ms 2154ms
css-font.woff2 other 5325ms 910ms
module-ran.gif?t=1783985856881 img 5327ms 533ms
report other 5328ms 1333ms
csp-report other 5328ms 2100ms