ua-tracer by Paul Kinlan

trace HHhta2tK

ua-tracer

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

← all traces

Trace HHhta2tK

First seen: 2026-09-06 08:34:35.741 UTC
User-Agent: amazon-Quick-on-behalf-of-ce868a0f
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
2026-09-06 08:34:35.741 UTC +0 ms homepage GET amazon-Quick-on-behalf-of-ce868a0f
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",
  "cache-control": "no-cache",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "traceparent": "00-e3ba371ba9b8690225d73484ef43b1f2-20af38595a98ed6c-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.563 UTC +822 ms font (HTML) GET amazon-Quick-on-behalf-of-ce868a0f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-8cbf784a3b716b6835b36ca3772f98a0-007deef767027829-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.565 UTC +824 ms preload (image) GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-ab6c9be36bb9bfb0b7ae37ced357ca74-7913694dd1c7ad6a-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.568 UTC +827 ms prefetch GET amazon-Quick-on-behalf-of-ce868a0f
request headers (19) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-purpose": "prefetch",
  "traceparent": "00-a7fddbb34d84c6f7f70a98f119a3a0ab-be1657999f09e7e7-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.569 UTC +828 ms image GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-0707e94ec0fcfd67d2e687206d04b949-dafd67c399672da5-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.570 UTC +829 ms iframe document GET amazon-Quick-on-behalf-of-ce868a0f
request headers (19) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-a7370b3178fe9f798d7fd69cce28338f-f2728c8fb59d252c-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.571 UTC +830 ms JS GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-19a76bf72699a17bc9e4cbc2c1b50499-e0ca577add2fc9b8-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.572 UTC +831 ms ES module GET amazon-Quick-on-behalf-of-ce868a0f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-12337f95c6b821cb8819a7a96c9755e8-ecf89acd1dc0e434-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.577 UTC +836 ms CSS GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-44cef20e57706fbc6632c65ea95123ac-a77244277d105bf8-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:36.679 UTC +938 ms CSS @import (nested stylesheet) GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/HHhta2tK/b3iTpkTs/style.css",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-eeee4daf39a25e3cf7ad0a8659499947-ca81508b6295814a-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.179 UTC +1438 ms image inside iframe GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/HHhta2tK/b3iTpkTs/iframe",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-b768baf5ffdc0f5cd9932aa29513c6d7-ddfbe56abec4ce04-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.192 UTC +1451 ms CSS background-image GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/HHhta2tK/b3iTpkTs/style.css",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-a987b76a402d12acc59973bf1ebd0394-f4c216cab13a9ddd-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.195 UTC +1454 ms CSS @font-face GET amazon-Quick-on-behalf-of-ce868a0f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/HHhta2tK/b3iTpkTs/style.css",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-9e757c2e39e1c898ac8a7362514c0df1-7bfa813988784ae5-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.199 UTC +1458 ms JS executed beacon GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-9f68c09b9d2afbc532cdf238029b2dfb-5e415e416f0a0c43-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.201 UTC +1460 ms ES module executed GET amazon-Quick-on-behalf-of-ce868a0f
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-ffdaa6e2b9198c2e7c9d5913d7991ba4-220e1ad9c71f2b2f-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:37.926 UTC +2185 ms client timing POST POST amazon-Quick-on-behalf-of-ce868a0f
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "content-length": "2210",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Chromium\";v=\"148\", \"HeadlessChrome\";v=\"148\", \"Not/A)Brand\";v=\"99\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-d85ed4ebc083536d05f0f1983309afed-88578ca906cf5d24-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-06 08:34:46.007 UTC +10266 ms image GET amazon-Quick-on-behalf-of-ce868a0f
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "cookie": "ua-tracer-trace=HHhta2tK",
  "host": "uatracer.com",
  "traceparent": "00-e34e7207ca6df2b6acb40aeedcc74804-9bc219c3345c9f78-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-e34e7207ca6df2b6acb40aeedcc74804-df2c06783d6fa7a7-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 05:00:46.050 UTC +159970309 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-188f270c93a871a8c3cd4706d19d1d70-fc40d43341ac4303-01",
  "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": "00-188f270c93a871a8c3cd4706d19d1d70-bf8ef4ee72ed470b-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 05:00:50.490 UTC +159974749 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": "00-57536655122bc7b2d6c3fca22431498e-4d4e125ba47ab5a2-01",
  "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"
}
2026-09-08 05:48:53.789 UTC +162858048 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-6ac884f6cb537fdab1640960aeb1c2e7-1db710c514f2622b-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": "00-6ac884f6cb537fdab1640960aeb1c2e7-f5f93ac3f0072583-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 08:44:57.828 UTC +173422087 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-ddc18af817bfea0b5a5db01a071f4001-89ef536bd8d28905-01",
  "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-ddc18af817bfea0b5a5db01a071f4001-fc3b0c02b205037b-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 09:21:41.482 UTC +175625741 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-d5342ab7d01f3319d32d948bc158bc8c-dc3f32cd6b8c3da0-01",
  "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-d5342ab7d01f3319d32d948bc158bc8c-223113c4a3034098-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 10:55:33.466 UTC +181257725 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-f9e9061d1a8129f90a0c07cde5b9e978-fa49ee12fc8bd718-01",
  "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"
}
2026-09-08 12:16:57.714 UTC +186141973 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-27ca63e7f2a51d95fe1bfbe3a2620737-6917dc31ad984a59-01",
  "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": "00-27ca63e7f2a51d95fe1bfbe3a2620737-daf720c6045b014c-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-08 13:54:41.694 UTC +192005953 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 (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-d205dd50bd5b7a68a3c149f30ec0f3df-ff5f3396395908f0-01",
  "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"
}
2026-09-09 12:57:53.366 UTC +274997625 ms iframe document GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (14) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-68a2f58019d7a2fb9d710a57b27a0415-7d7f06fdd16fe24e-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-68a2f58019d7a2fb9d710a57b27a0415-8459eb922d6ae409-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-09 13:09:24.663 UTC +275688922 ms font (HTML) GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (14) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-a5769a5feddfc3326efdc9f0e511750b-58325beb24e22a62-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a5769a5feddfc3326efdc9f0e511750b-be5449763a9baa0e-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-09 13:16:51.360 UTC +276135619 ms CSS @font-face GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (12) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-c2d18af347210c41e61483b705cad106-b5fbfa79bf0b9411-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 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 178ms 736ms
font.woff2 link 178ms 720ms
preload.png link 179ms 927ms
prefetch.png link 182ms 873ms
iframe iframe 196ms 781ms
photo.png img 196ms 816ms
main.js script 197ms 958ms
module.js script 197ms 758ms
import.css css 915ms 86ms
css-bg.png css 1003ms 557ms
css-font.woff2 css 1003ms 590ms
js-ran.gif?t=1788683676870 img 1157ms 390ms
module-ran.gif?t=1788683676872 img 1159ms 369ms