ua-tracer by Paul Kinlan

trace mi50Kt4P

ua-tracer

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

← all traces

Trace mi50Kt4P

First seen: 2026-07-20 16:53:09.250 UTC
User-Agent: amazon-Quick-on-behalf-of-e56dd987
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
2026-07-20 16:53:09.250 UTC +0 ms homepage GET amazon-Quick-on-behalf-of-e56dd987
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": "00-460c0d0a9f7e93b5e097b1e832bc7621-ad155b62c5a50b59-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.610 UTC +1360 ms CSS GET amazon-Quick-on-behalf-of-e56dd987
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "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": "00-75b5f3b3a46160d1e32ec12e7b8d9baf-f915656b4cdf3469-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.614 UTC +1364 ms font (HTML) GET amazon-Quick-on-behalf-of-e56dd987
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "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-a857bcf9940c9fc3d6c1b6fcc7de03e6-02e215e66fb1e737-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.618 UTC +1368 ms preload (image) GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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-e2e862cc2cb381b0a647238bec6cbe2f-9db6fbbe73805c7c-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.622 UTC +1372 ms prefetch GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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-bd5cb294a60c419f4fd095d8bb86d40a-9781ed48e3e4fa2d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.632 UTC +1382 ms image GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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": "00-150fda33103e7e55cba670675404b2f8-6e23ce417d42f75d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.638 UTC +1388 ms ES module GET amazon-Quick-on-behalf-of-e56dd987
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "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": "00-8ee7a4a104de4c31d78eae090e6bc1fd-15323544baf1df2d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.638 UTC +1388 ms iframe document GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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": "00-28508b30414da211c21ce0c3bc4f72ec-7082ce9f3bcf39be-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:10.639 UTC +1389 ms JS GET amazon-Quick-on-behalf-of-e56dd987
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "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": "00-2a71edd7d29f7a9d15c5a72d6e8a28da-be38d6981fd39e45-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:11.411 UTC +2161 ms CSS @import (nested stylesheet) GET amazon-Quick-on-behalf-of-e56dd987
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/mi50Kt4P/Z4RYCAp8/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": "00-46bb2b1c2c724abac67dce32c3fda241-568738743f1f20f7-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:13.260 UTC +4010 ms CSS @font-face GET amazon-Quick-on-behalf-of-e56dd987
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/mi50Kt4P/Z4RYCAp8/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-c4258a408084b9fa3d7772929f3fd23a-5a8797026f6c312a-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:13.263 UTC +4013 ms CSS background-image GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/mi50Kt4P/Z4RYCAp8/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": "00-6f7c1a7a359b4bee649e53b64a748f2d-cf969c9b2fffd4b3-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:13.274 UTC +4024 ms JS executed beacon GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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": "00-076b40c24949d4053a4cf88d0e2cc47f-e4b09692515aa25d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:13.361 UTC +4111 ms image inside iframe GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "i",
  "referer": "https://uatracer.com/r/mi50Kt4P/Z4RYCAp8/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-dc9288f3a6f0104cfc7cebc9e48d0fd2-c0ecc8782028e255-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:13.375 UTC +4125 ms ES module executed GET amazon-Quick-on-behalf-of-e56dd987
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=mi50Kt4P",
  "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": "00-4e0f6914ef5512afd1d3db3f384a269a-2d1511f08723ca13-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:15.475 UTC +6225 ms client timing POST POST amazon-Quick-on-behalf-of-e56dd987
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cache-control": "no-cache",
  "content-length": "2221",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "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": "00-2923abe1c997a0a40b6c65b9e21c7f8e-a65a6507391d488d-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-07-20 16:53:17.946 UTC +8696 ms image GET amazon-Quick-on-behalf-of-e56dd987
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate",
  "cookie": "ua-tracer-trace=mi50Kt4P",
  "host": "uatracer.com",
  "traceparent": "00-b4c1c135cdf72cb19be3e0bbe9e5903f-54862fac5cede86a-01",
  "tracestate": "",
  "user-agent": "amazon-Quick-on-behalf-of-e56dd987",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-b4c1c135cdf72cb19be3e0bbe9e5903f-a48bde2b9ccafb0f-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-24 14:19:28.113 UTC +336378863 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": "00-54b87efe79e6a46d7099e15ffa9b88e6-e953ac46879703dc-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 20:29:17.450 UTC +358568200 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-af89327e99f9884fb2d0f77407ee1708-4a044125f65c4fc7-01",
  "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-af89327e99f9884fb2d0f77407ee1708-efbc9158ba800702-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-24 21:15:29.475 UTC +361340225 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": "00-398a892cb4dd5f9bcb99c6754c0fab79-42858a8316e412bf-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 21:31:30.356 UTC +362301106 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 (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-677ea2b20356c472790dcbacec53dade-0172d1d386d261d7-01",
  "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"
}
2026-07-25 00:54:03.129 UTC +374453879 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-e47549c8bc91386198d06e2314aa8f5a-1406983c61cf0f75-01",
  "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"
}
2026-07-25 04:52:27.003 UTC +388757753 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": "00-633e6d1eb5ca60415605464344f23690-060cb408a8bc1ab8-01",
  "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": "00-633e6d1eb5ca60415605464344f23690-cfccf829c92a8b8c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-25 06:41:06.996 UTC +395277746 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-d2510b321296eb4c6b856ec5c7345276-96c7f3c9f896a755-01",
  "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-d2510b321296eb4c6b856ec5c7345276-570b7c85cf16af66-01",
  "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 1434ms 457ms
font.woff2 link 1434ms 653ms
preload.png link 1434ms 849ms
prefetch.png link 1437ms 1076ms
iframe iframe 1454ms 1946ms
photo.png img 1454ms 1729ms
main.js script 1454ms 1513ms
module.js script 1455ms 2025ms
import.css css 1892ms 865ms
css-bg.png css 2767ms 2061ms
css-font.woff2 css 2769ms 1809ms
js-ran.gif?t=1784566392087 img 2969ms 2083ms
module-ran.gif?t=1784566392599 img 3481ms 2092ms