ua-tracer by Paul Kinlan

trace ts10nbGb

ua-tracer

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

← all traces

Trace ts10nbGb

First seen: 2026-07-21 12:27:22.398 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
2026-07-21 12:27:22.398 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": "00-9be035e07f589d6de2c0bc0c51dd113f-38105f83243e693e-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.029 UTC +1631 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=ts10nbGb",
  "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-ff9d04923816c5d4b19e420a4964fb74-5fdfbfc65caade91-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.031 UTC +1633 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=ts10nbGb",
  "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": "00-2b469615a05e2ade1d298a52a35fd62b-386e4243e4df3ec7-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.036 UTC +1638 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=ts10nbGb",
  "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-cd11942cbf4a357d6691c1369e3c4f03-d5a79dc03148a728-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.041 UTC +1643 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=ts10nbGb",
  "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-a41121db9235cd8a197f5bdb621ef7c8-4c25845f249bf1a5-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.064 UTC +1666 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=ts10nbGb",
  "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": "00-803cc010c4734069f001ae91a8ff9ec1-d8d375dd2e327851-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.066 UTC +1668 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=ts10nbGb",
  "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-cc5e06182c8fc3be5fe4561266ade115-b20b63e691f908a4-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.071 UTC +1673 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=ts10nbGb",
  "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-c0c69d5a7e7b960ec1e9a59750649252-b7ad31d6c60990ee-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.081 UTC +1683 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=ts10nbGb",
  "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-f023a01caeb59d6c466e2df4bfcb3f36-0a9fdaf4f435b348-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:24.434 UTC +2036 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=ts10nbGb",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/ts10nbGb/lfPoNUjq/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": "00-378d8218259606929e4aa42cb8764948-b22c7e68561c9e23-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:27.557 UTC +5159 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=ts10nbGb",
  "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-e27d251f13858d7c9b35a11eb5d19218-87c88de26611c196-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:27.564 UTC +5166 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=ts10nbGb",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/ts10nbGb/lfPoNUjq/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": "00-6d1399e26a28eea09b3e8a5f3c2cf73b-2056873c0f07d11d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:27.566 UTC +5168 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=ts10nbGb",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/ts10nbGb/lfPoNUjq/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-cfa1e692cd65906da61a9cf2ba2307e6-b19bf2799f4de016-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:27.583 UTC +5185 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=ts10nbGb",
  "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": "00-0989d6b2dd9fdb4024a1442e721b9f73-2bd822c738e26f0c-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:27.589 UTC +5191 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=ts10nbGb",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/ts10nbGb/lfPoNUjq/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": "00-372762be70df78cb232c70d9aa34e98e-c81bd6ea42123ed1-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:30.029 UTC +7631 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": "2225",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=ts10nbGb",
  "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-d613680be464e734f8a3fe7569c7ce33-0fdf9919c338e183-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-21 12:27:38.857 UTC +16459 ms image GET amazon-Quick-on-behalf-of-ce868a0f
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "cookie": "ua-tracer-trace=ts10nbGb",
  "host": "uatracer.com",
  "traceparent": "00-78b6b9110907e8274107af304efa75f9-3b9c43cb9ca99d23-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-ce868a0f",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-78b6b9110907e8274107af304efa75f9-151c087dd115ea0b-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-24 15:19:32.465 UTC +269530067 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": "00-813f43582d3bbfe3c9cf30ea9cd76610-21f9f00339e122f7-01",
  "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"
}
2026-07-24 17:50:59.385 UTC +278616987 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-bc1a96b3025fca0f4e332fd79e796014-526f95ae96bb17df-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"
}
2026-07-24 17:51:01.588 UTC +278619190 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-ae28df4d5554fb0c15071512924c5d4c-59e6c5751e4015b4-01",
  "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-ae28df4d5554fb0c15071512924c5d4c-f6dea8bbb428fb60-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-24 17:51:05.396 UTC +278622998 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": "00-6266919484f567554259b7babe32e407-99d1dacb6a3cea23-01",
  "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": "00-6266919484f567554259b7babe32e407-9093a96f74ceb7f8-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-24 22:11:23.489 UTC +294241091 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 (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-5455dfa75f7b5dc4f965f4e53f434a5a-e27bd7ed637b66a3-01",
  "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"
}
2026-07-24 23:02:29.325 UTC +297306927 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": "00-0281e5bdf5333549fd678bfc97dfd16d-42e6b604e94542ca-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": "00-0281e5bdf5333549fd678bfc97dfd16d-949d8e80bdadfa5d-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-25 00:43:22.782 UTC +303360384 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": "00-8974426304fe2d23d1da9cbcdcf915b6-da5a82443d04f642-01",
  "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"
}

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 1795ms 760ms
font.woff2 link 1795ms 1377ms
preload.png link 1795ms 963ms
prefetch.png link 1800ms 1165ms
iframe iframe 1814ms 2359ms
photo.png img 1814ms 2048ms
main.js script 1814ms 1591ms
module.js script 1815ms 1827ms
import.css css 2557ms 1539ms
js-ran.gif?t=1784636845938 img 4099ms 1994ms
css-bg.png css 4104ms 2426ms
css-font.woff2 css 4105ms 2862ms
module-ran.gif?t=1784636845989 img 4149ms 2605ms