ua-tracer by Paul Kinlan

trace QoY6asen

ua-tracer

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

← all traces

Trace QoY6asen

First seen: 2026-09-03 17:53:39.174 UTC
User-Agent: amazon-Quick-on-behalf-of-f82503d1
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
2026-09-03 17:53:39.174 UTC +0 ms homepage GET amazon-Quick-on-behalf-of-f82503d1
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-f9c467ce6a4236ca56194e11b1b4faab-df585118d94a061f-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.562 UTC +388 ms CSS GET amazon-Quick-on-behalf-of-f82503d1
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "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-e6663e0dafc389778cb32c347ea73e27-4befe985ed4b9467-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.572 UTC +398 ms prefetch GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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": "00-4af1155ade18613ca5d9249116d3845e-6673d7faec223f92-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.578 UTC +404 ms font (HTML) GET amazon-Quick-on-behalf-of-f82503d1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "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": "00-1252945de1fa1d73e1c08cfa81b5159d-9da5295ea32a4714-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.581 UTC +407 ms JS GET amazon-Quick-on-behalf-of-f82503d1
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "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": "00-350e624f3995e70d5aaa320446b88b19-0085d291db7d737b-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.581 UTC +407 ms preload (image) GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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-c4e0e1cc652ffad052428bd3a09c1711-c28e0f9b97f70eef-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.582 UTC +408 ms ES module GET amazon-Quick-on-behalf-of-f82503d1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "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": "00-88b1d654ecaf93c98b4764b303032017-f1f86b9ebff2730f-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.582 UTC +408 ms image GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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-eb3e1502efed1bee27d99527bce22e2f-9398d0dbe3cf1968-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.583 UTC +409 ms iframe document GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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-cd43b1b130ff9f72db3d5726d97bbbd6-f16b5401c8827772-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.674 UTC +500 ms CSS @import (nested stylesheet) GET amazon-Quick-on-behalf-of-f82503d1
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/QoY6asen/DryUyaBx/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": "00-3c3f02e9c02225fc76e337dfcb03161d-d03787d1a7ceab19-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.821 UTC +647 ms JS executed beacon GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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-aa04bf3ca8924ea63a1e775a6db4c1cb-485066eee5ea4d95-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.868 UTC +694 ms CSS background-image GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/QoY6asen/DryUyaBx/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": "00-4a85ea1932f509f9d3a538a9d3cb4a48-f1fcb6c663569343-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.870 UTC +696 ms CSS @font-face GET amazon-Quick-on-behalf-of-f82503d1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/QoY6asen/DryUyaBx/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-f209124ee7d9c9ec8bb7f1e427c96aed-bdee1b5c22ea9ead-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:39.879 UTC +705 ms ES module executed GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "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-e785250cd8729ea5fe63b66b79806c45-1fab9ceb6e01e045-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:40.117 UTC +943 ms image inside iframe GET amazon-Quick-on-behalf-of-f82503d1
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": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/QoY6asen/DryUyaBx/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-fcfea35bc742cee1ee449034e611033c-4cf5bde6c3b312c0-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:40.784 UTC +1610 ms client timing POST POST amazon-Quick-on-behalf-of-f82503d1
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "content-length": "2200",
  "content-type": "application/json",
  "cookie": "[redacted]",
  "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": "00-276f180854865dac8b46f74df8eacb9d-5303d290bd22fbca-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-09-03 17:53:51.953 UTC +12779 ms image GET amazon-Quick-on-behalf-of-f82503d1
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "traceparent": "00-a8c87d741ad36ffabe042a07989cfc85-661e92a1b34799e9-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-f82503d1",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a8c87d741ad36ffabe042a07989cfc85-4415a17641a642d3-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-05 05:54:17.713 UTC +129638539 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": "00-293cb7c693b4f251953041dffeee79e1-b5c4078480af3f82-01",
  "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": "00-293cb7c693b4f251953041dffeee79e1-0c9d6993f45c9054-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-05 06:50:17.634 UTC +132998460 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": "00-8819aaa25addb6663784a48b1ebe4e15-11b161257bb45d28-01",
  "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": "00-8819aaa25addb6663784a48b1ebe4e15-ccfa84827acf39fa-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-05 06:50:18.478 UTC +132999304 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-8916954bfb88a8ce9daefba09f0b84df-1ad3697c5aa8d42d-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": "00-8916954bfb88a8ce9daefba09f0b84df-351e12d5f6aee4b5-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-05 11:09:21.760 UTC +148542586 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": "00-1d9ad16a549d032c1d8e49321b9744bf-42943228f0d70387-01",
  "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"
}
2026-09-05 12:27:02.378 UTC +153203204 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": "00-13f774de398163a66076e69df3f0fa72-f2e3d01ffa012b1c-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"
}
2026-09-05 15:41:22.270 UTC +164863096 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-d3a8ac898f172a488b832f064e0f9700-bedda8d3de56408a-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"
}
2026-09-05 20:36:26.190 UTC +182567016 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": "00-3c4dec9ff4411fbfbca7134d0ad8f5e9-fbbfbc008dc366ea-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": "00-3c4dec9ff4411fbfbca7134d0ad8f5e9-a5d708fc4ec6f2b5-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-05 23:04:33.563 UTC +191454389 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": "00-512faf34d0c3d4fdbda0664769bcbc59-6b1fd2d70c10b1ee-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": "00-512faf34d0c3d4fdbda0664769bcbc59-6abad962368025ee-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 386ms 119ms
font.woff2 link 386ms 172ms
preload.png link 387ms 511ms
prefetch.png link 390ms 334ms
iframe iframe 406ms 537ms
photo.png img 406ms 376ms
main.js script 406ms 197ms
module.js script 407ms 287ms
import.css css 506ms 133ms
js-ran.gif?t=1788458019787 img 642ms 111ms
css-bg.png css 648ms 175ms
css-font.woff2 css 649ms 189ms
module-ran.gif?t=1788458019851 img 706ms 99ms