ua-tracer by Paul Kinlan

trace yIlvcalJ

ua-tracer

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

← all traces

Trace yIlvcalJ

First seen: 2026-07-25 05:45:15.461 UTC
User-Agent: amazon-Quick-on-behalf-of-cf08e86f
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
2026-07-25 05:45:15.461 UTC +0 ms homepage GET amazon-Quick-on-behalf-of-cf08e86f
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": "00-8fd2d8b75fbd3f552f29e1296ea756e2-b635f4bb07153cd5-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.046 UTC +1585 ms CSS GET amazon-Quick-on-behalf-of-cf08e86f
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "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": "00-4a14cb6745e97277f82f6d659ed6e17f-5547d9fffac25ddb-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.048 UTC +1587 ms font (HTML) GET amazon-Quick-on-behalf-of-cf08e86f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "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-cda9f8a1ae3363b1847cc9af39d94dbb-fa54bcf722133eb3-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.071 UTC +1610 ms preload (image) GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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": "00-8e8608a45c285e8603d5d2a9bb07cae4-a57196a8619fd20d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.095 UTC +1634 ms prefetch GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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": "00-50900b4ccbb0a8940a6b9ae08d4baebc-a8b06760f39f62fc-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.098 UTC +1637 ms image GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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": "00-793d0a7f1525ee2cca6e40991cdcb5dd-a3676117bdb9480e-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.099 UTC +1638 ms iframe document GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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-cf09760e3453b3d2b0e452e764314ff1-4340c47cb1a5c7eb-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.102 UTC +1641 ms JS GET amazon-Quick-on-behalf-of-cf08e86f
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "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": "00-41aecf280ba569b80e680a775e5297c8-613c5a1652428fe5-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.143 UTC +1682 ms ES module GET amazon-Quick-on-behalf-of-cf08e86f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "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": "00-120f8515ade343009c484ddfe9a748c5-a0070ee777784dda-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:17.847 UTC +2386 ms image inside iframe GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/yIlvcalJ/4yTeDjPs/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-cea0d76e80ef990e2e1ee9b1d4366101-b73db8dcaf53ff4e-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:18.071 UTC +2610 ms CSS @import (nested stylesheet) GET amazon-Quick-on-behalf-of-cf08e86f
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/yIlvcalJ/4yTeDjPs/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-d9a97c41f039c316df6054a209c2b525-d145439607b8c902-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:19.398 UTC +3937 ms CSS background-image GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/yIlvcalJ/4yTeDjPs/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-af1f6b61079e72ed8a2ea37a6a330e95-7bfba4b2db4191b1-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:19.399 UTC +3938 ms CSS @font-face GET amazon-Quick-on-behalf-of-cf08e86f
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/yIlvcalJ/4yTeDjPs/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": "00-10139b1dde67c24bf6712cde1a0bf9ac-cfbd23f923fccf66-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:19.572 UTC +4111 ms JS executed beacon GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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": "00-945a1c003c0c06e903e61f76e1c05349-bd3c753b5d0e6b32-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:19.576 UTC +4115 ms ES module executed GET amazon-Quick-on-behalf-of-cf08e86f
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=yIlvcalJ",
  "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-db9f6fa71bd284b9aa774c36e5d819f3-a028443da14e4cfd-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:21.191 UTC +5730 ms client timing POST POST amazon-Quick-on-behalf-of-cf08e86f
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "content-length": "2223",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "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-cbbf6a64301c891b5e656fae696adf52-65f49ca991602aaa-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-25 05:45:37.414 UTC +21953 ms image GET amazon-Quick-on-behalf-of-cf08e86f
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "cookie": "ua-tracer-trace=yIlvcalJ",
  "host": "uatracer.com",
  "traceparent": "00-a0066615b73945fc74cc4f455ca5003e-eafc7086b225c2ec-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-cf08e86f",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-27 09:53:16.647 UTC +187681186 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-a86b5091dce34a5cc8372d19b6b67c56-ec35cfeb943329a2-01",
  "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"
}
2026-07-27 11:12:30.861 UTC +192435400 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-d0bfd2ec671fb51998f5cb61b9d6531c-4b4128689aea8d91-01",
  "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-d0bfd2ec671fb51998f5cb61b9d6531c-8301a68793e5bc61-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-27 12:29:19.146 UTC +197043685 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-a1b4cc9b31c19ff1967327b064822317-18f28b0e3c353756-01",
  "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"
}
2026-07-27 13:53:42.894 UTC +202107433 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": "00-2c9b36470d4b859c5341a0e53e3a5b25-d855b59c710df9d4-01",
  "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": "00-2c9b36470d4b859c5341a0e53e3a5b25-bdeccbfc490b53ec-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-27 20:29:42.703 UTC +225867242 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": "00-27c061c22fdc4e1cf5254b492d75015b-c7f0c5e9053128f5-01",
  "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": "00-27c061c22fdc4e1cf5254b492d75015b-894d92b94d74ec04-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-27 22:28:42.955 UTC +233007494 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": "00-79878dd179e10e26f548bfc9b36c69f6-76f775fda7fc760d-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": "00-79878dd179e10e26f548bfc9b36c69f6-a3643116aa5ea36c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-27 23:04:03.380 UTC +235127919 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": "00-3f18703603dc6199d45e888f0139c27d-55e0de34fd95f00e-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": "00-3f18703603dc6199d45e888f0139c27d-b0d8ae3b77e0459f-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 1814ms 978ms
font.woff2 link 1815ms 482ms
preload.png link 1815ms 1258ms
prefetch.png link 1819ms 1521ms
iframe iframe 1836ms 728ms
photo.png img 1836ms 2051ms
main.js script 1837ms 2441ms
module.js script 1837ms 2476ms
import.css css 2794ms 1321ms
css-bg.png css 4132ms 1230ms
css-font.woff2 css 4132ms 554ms
js-ran.gif?t=1784958319484 img 4279ms 584ms
module-ran.gif?t=1784958319519 img 4314ms 805ms