ua-tracer by Paul Kinlan

trace A7v1eJiI

ua-tracer

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

← all traces

Trace A7v1eJiI

First seen: 2026-07-19 05:53:13.862 UTC
User-Agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile 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.

ReceivedΔKindMethodUser-Agent
2026-07-19 05:53:13.862 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "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": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "cross-site",
  "sec-fetch-user": "?1",
  "traceparent": "00-427bfb1cd208bb61983e1d975fec3c06-d9b2670f08fbb028-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.633 UTC +2771 ms CSS GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-e31b50e83c5a4627bcf640534fdb51ef-175b28c79ce6c01c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.640 UTC +2778 ms font (HTML) GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-c09c2244f8a71f6132d19958d3f7841b-3dfed51091dfaccf-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.644 UTC +2782 ms preload (image) GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-d4ee019436c3fea1ae3dfb691432efd6-5d81e651db4cda3f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.652 UTC +2790 ms image GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-eeeb0d341280328a3611ad9519b9d692-270f9913866cfb7e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.661 UTC +2799 ms JS GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-cb517b3da88155afa02d60f87c01c49c-45a4c9fe1d0fdf22-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.664 UTC +2802 ms prefetch GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (18) 
{
  "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": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-purpose": "prefetch",
  "traceparent": "00-fd1add5041bb58030fa7d668ef678879-83085e1e4a0d552d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:16.668 UTC +2806 ms ES module GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-46bb0183712ad366b68a44c1d654bd6b-b9926bdee0ae4aba-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:17.301 UTC +3439 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/A7v1eJiI/UOszVKMa/style.css",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-6c553b482d183c230b692c386f3195c8-dfbc3fd43db79f21-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:18.833 UTC +4971 ms JS executed beacon GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-d7a102fffd362f10bd07449af028b9b4-5bf10b6211d284b1-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 05:53:18.836 UTC +4974 ms CSP violation report (POST) POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "495",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-b49e7fae4ca11db913c9c9ba9963f8dc-2e0a6230581ee07d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-report-body": "{\"source\":\"securitypolicyviolation\",\"violatedDirective\":\"style-src-attr\",\"effectiveDirective\":\"style-src-attr\",\"blockedURI\":\"inline\",\"documentURI\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"disposition\":\"report\",\"lineNumber\":45,\"sourceFile\":\"https://uatracer.com/r/A7v1eJiI/UOszVKMa/main.js\",\"ua\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"}"
}
2026-07-19 05:53:18.858 UTC +4996 ms Reporting API report (POST) POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "3206",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly",
  "sec-ch-ua": "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Google Chrome\";v=\"150\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-63e98d0c742fb40dd7a1dc2bd3451f77-35d716997affc6c7-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
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2026-07-19 07:07:22.468 UTC +4448606 ms font (HTML) GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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2026-07-19 07:07:22.476 UTC +4448614 ms JS GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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2026-07-19 07:07:22.485 UTC +4448623 ms Reporting API report (POST) POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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2026-07-19 07:07:26.435 UTC +4452573 ms CSS @font-face GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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2026-07-19 07:07:26.458 UTC +4452596 ms CSS background-image GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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2026-07-19 07:07:26.536 UTC +4452674 ms CSP violation report (POST) POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
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  "x-report-body": "{\"source\":\"ReportingObserver\",\"reports\":[{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":9,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-elem\",\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":243,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":247,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":755,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"body\":{\"sourceFile\":\"https://uatracer.com/r/A7v1eJiI/UOszVKMa/main.js\",\"lineNumber\":45,\"columnNumber\":11,\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}}],\"ua\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"}"
}
2026-07-19 07:07:26.585 UTC +4452723 ms ES module executed GET Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (17) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "priority": "i",
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  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
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  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 07:07:29.211 UTC +4455349 ms client timing POST POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (20) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "2803",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=A7v1eJiI",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
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  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"Android\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-25edcf8614791c6c9d1bc80657bad6ee-e81411a64a27b4af-01",
  "tracestate": "",
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  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-07-19 07:08:22.841 UTC +4508979 ms Reporting API report (POST) POST Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36
request headers (13) 
{
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "hu-HU,hu;q=0.9,en-US;q=0.8,en;q=0.7",
  "content-length": "2949",
  "content-type": "application/reports+json",
  "cookie": "ua-tracer-trace=A7v1eJiI",
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  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-report-body": "[{\"age\":60073,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":247,\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"user_agent\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"},{\"age\":60074,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":243,\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"user_agent\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"},{\"age\":56028,\"body\":{\"blockedURL\":\"inline\",\"columnNumber\":11,\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":45,\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/r/A7v1eJiI/UOszVKMa/main.js\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"user_agent\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"},{\"age\":60066,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"effectiveDirective\":\"style-src-attr\",\"lineNumber\":755,\"originalPolicy\":\"style-src 'self'; report-uri /r/A7v1eJiI/UOszVKMa/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/?utm_source=stefanjudis&utm_medium=email&utm_campaign=u1f9e2-web-weekly-196-ecmascript-2026-and-wiggly\",\"user_agent\":\"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36\"}]"
}
2026-07-21 18:45:35.671 UTC +219141809 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 (7) 
{
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  "host": "uatracer.com",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 19:56:48.509 UTC +223414647 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 (7) 
{
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  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-dde200054cf1ffce688218cdc8637f2c-100afa42d3b096c2-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 21:28:36.277 UTC +228922415 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-97395a44d9a589a02854b2122e0a1f0b-9df30f4f64a667b5-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-97395a44d9a589a02854b2122e0a1f0b-2c46c990dba00d8c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-21 21:34:09.687 UTC +229255825 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 (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-c8d88fd31a4e5e301d27eafdcc1df538-d79f9323486279a1-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 22:41:10.626 UTC +233276764 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": "00-8b8e0ffc83edbd5c6242a49ad3521952-d103bc02f7f75f6c-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-8b8e0ffc83edbd5c6242a49ad3521952-d89029e45f09f2ed-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-22 01:11:46.585 UTC +242312723 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-fb1ec5935035e6afbdd71e128ada4045-86de2f0f3cb48016-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-fb1ec5935035e6afbdd71e128ada4045-dc586061910c58fd-01",
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2026-07-22 03:49:10.472 UTC +251756610 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-e231715262e05d23e38e03c06cd89864-1744a222c8b66106-01",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-22 08:42:01.189 UTC +269327327 ms Reporting API 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 (7) 
{
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  "connection": "close",
  "host": "uatracer.com",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-22 11:26:43.422 UTC +279209560 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 (7) 
{
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  "host": "uatracer.com",
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  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-06 10:48:35.549 UTC +1572921687 ms ES module GET Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
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  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-655c086f1bef2b296e9829c0c2af5696-0ee090f129d28ac4-01",
  "x-deno-userspace-tracestate": ""
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2026-08-06 10:48:37.529 UTC +1572923667 ms JS GET Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
  "traceparent": "00-7755f4ecf1efffeab94d55c83a1c4435-a65723683fab25ae-01",
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  "user-agent": "Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7755f4ecf1efffeab94d55c83a1c4435-5bcad4f1748b2192-01",
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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.

ResourceInitiatorStartDurationTimeline
style.css link 3068ms 679ms
font.woff2 link 3069ms 996ms
preload.png link 3069ms 1350ms
prefetch.png link 3079ms 2862ms
iframe iframe 3093ms 5136ms
photo.png img 3098ms 2579ms
main.js script 3105ms 1750ms
module.js script 3107ms 3248ms
import.css css 3749ms 1515ms
js-ran.gif?t=1784440399420 img 5275ms 1014ms
csp-report beacon 5279ms 1353ms
report beacon 5281ms 1715ms
css-bg.png css 5324ms 2435ms
css-font.woff2 css 5331ms 2050ms
module-ran.gif?t=1784440400505 img 6358ms 1741ms