ua-tracer by Paul Kinlan

trace j46BqcVZ

ua-tracer

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

← all traces

Trace j46BqcVZ

First seen: 2026-06-24 04:00:07.282 UTC
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 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
2026-06-24 04:00:07.282 UTC +0 ms homepage GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (16)
{
  "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",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-3cbe5862e28ad05750f4a40bc86a4378-bb2c6f0242f11aa3-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.835 UTC +553 ms CSS GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-47b588120ed12febf8a72e44a7abf366-15bd06e77f47b6a8-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.836 UTC +554 ms font (HTML) GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (16)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-a572ac89585746cb5c9ebfe1367dd1b8-5992d25cfc802108-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.837 UTC +555 ms ES module GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (16)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-d817dac78d63ae38b8dbdd45b01aa7c4-606ab3f01f4b8ac0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.837 UTC +555 ms JS GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-e2651bc906d5c248e4d2f8718abf889c-73fefea462941ccc-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.847 UTC +565 ms preload (image) GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-e815d3809c71e8ebf078a39ddb5ce4a9-5d88edd0c07f5a38-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.848 UTC +566 ms prefetch GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 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",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "purpose": "prefetch",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-6fca5886b55f4f280819d77e41394522-91c37d5f24c2a58b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.849 UTC +567 ms image GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-764588ace30a6990214e876a688c3524-cb1bde575b49bb29-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:07.853 UTC +571 ms iframe document GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (16)
{
  "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",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-490501ba4f64d17fb8fca843717388ea-cacadc43d3f15e6d-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:08.411 UTC +1129 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/j46BqcVZ/style.css",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-dccb5d8be683c289e06f2c3cb70b63ca-754798cebc031859-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:09.792 UTC +2510 ms JS executed beacon GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-6c8f37469d704398bf4f9dfe862393a8-50cac4597474d386-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:09.859 UTC +2577 ms CSS background-image GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/r/j46BqcVZ/style.css",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-673967532e6886f5d828c1dc38e7e344-aa513675e109f32b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:10.464 UTC +3182 ms CSS @font-face GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (16)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/j46BqcVZ/style.css",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-359dfaf7368fc762b8c296ac94b782e8-c28d06a4a6ac31b6-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:10.524 UTC +3242 ms image inside iframe GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/r/j46BqcVZ/iframe",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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": "00-785afc043164bcd982731ed712a7f771-9b0265cceb3d4b32-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:10.527 UTC +3245 ms ES module executed GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-f9f45004e4f88ed6635d70eb9942598e-a8b686a47dd6b5a2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:11.547 UTC +4265 ms client timing POST POST Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (17)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "content-length": "2149",
  "content-type": "application/json",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-225248b0d99fb358cd7c7ab14631ba85-6cde6ad5b4c5b008-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:11.965 UTC +4683 ms favicon GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "u=1, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "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-ac8f00f3f52717c8f6689118a76aa616-fb527a0057dfc432-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-06-24 04:00:12.285 UTC +5003 ms apple-touch-icon GET Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36
request headers (15)
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "host": "uatracer.com",
  "priority": "u=1, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\", \"HeadlessChrome\";v=\"138\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Linux\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-2b6ff5c089df531ee9aa2efb1cdf254d-a689b5467e2585fe-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/138.0.7204.23 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-11 13:29:17.366 UTC +1502950084 ms ES module executed GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-c562bf0491396cee3ca3d977720fb8d5-920707338d2c3134-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c562bf0491396cee3ca3d977720fb8d5-33d4b90721bb9cd6-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-11 13:29:17.377 UTC +1502950095 ms image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-62a54063eb22db01d0ce02df79ce040b-f7c27e26cffb9a5a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-62a54063eb22db01d0ce02df79ce040b-e6175ef71e5d9e40-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-11 13:29:17.381 UTC +1502950099 ms preload (image) GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-6f9b43675ec41a842e0c4e39c153a48a-f6d0378e6b7557fe-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6f9b43675ec41a842e0c4e39c153a48a-84d99036e8e42b1c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-11 13:29:17.448 UTC +1502950166 ms prefetch GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (8)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-fc1f7cdd39a77903c99ceacab46792dd-1cc714c3c02e26d9-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-11 13:29:17.459 UTC +1502950177 ms JS executed beacon GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-4e1dc06561558445797f21f061e4d6d2-7cdccbfa7b6ddb49-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-4e1dc06561558445797f21f061e4d6d2-8306dbd5c78c13c0-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-11 13:29:17.541 UTC +1502950259 ms CSS background-image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10)
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-7121293d0116b0c64d82f1b65429729c-aa560f83f53a785b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7121293d0116b0c64d82f1b65429729c-8b69ca98bd46e42b-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-19 06:21:37.866 UTC +4846890584 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": "00-7819d455f713977959ade411cc16ba91-9aa6a399b13f5c21-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7819d455f713977959ade411cc16ba91-f623218f1ce589c5-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-19 11:23:05.006 UTC +4864977724 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-e2a824695a723da01d6b988c3280564e-e97256d03205073d-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-e2a824695a723da01d6b988c3280564e-17c9d67cdb93c94e-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-19 13:01:48.975 UTC +4870901693 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)
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-a2dcc9c53d77cc4d25545faab9c6b71d-ef865d76ff2700d1-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-19 14:58:36.899 UTC +4877909617 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)
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-661a65aaad22ab99f19a5f92f28c26c5-e84bdfa09271d9fc-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-19 19:35:52.221 UTC +4894544939 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": "00-7bc6d4103e38a77b6e46a322a7096616-ebd7a685715092f5-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-19 19:35:55.195 UTC +4894547913 ms image inside iframe 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": "00-5e4c43a57174508a9bbe22ad923d101f-057a2b2a251b0166-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-19 19:36:16.258 UTC +4894568976 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)
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-bceb045574db08ba15c33e38dccf94fa-64611ac95fbea458-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-20 00:25:53.420 UTC +4911946138 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": "00-1e1fefca7fc87e458178077fad36aceb-5ec66323e6a73de2-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-1e1fefca7fc87e458178077fad36aceb-aba61ae5a1322933-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-20 02:11:29.580 UTC +4918282298 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-c1c0edab82b6b7a572c474a9a425a5ef-c1b046fa3c3d1a87-01",
  "tracestate": "",
  "user-agent": "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",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c1c0edab82b6b7a572c474a9a425a5ef-da6a5bc94309c20a-01",
  "x-deno-userspace-tracestate": ""
}

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 665ms 581ms
font.woff2 link 677ms 306ms
photo.png img 678ms 691ms
preload.png link 678ms 972ms
main.js script 678ms 413ms
module.js script 678ms 704ms
prefetch.png link 693ms 1563ms
iframe iframe 696ms 3089ms
import.css css 1254ms 1350ms
js-ran.gif?t=1782273609772 img 2641ms 306ms
css-bg.png css 2707ms 279ms
css-font.woff2 css 2743ms 840ms
module-ran.gif?t=1782273610511 img 3380ms 303ms