ua-tracer by Paul Kinlan

trace 7D6OJ7S1

ua-tracer

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

← all traces

Trace 7D6OJ7S1

First seen: 2026-10-05 17:18:14.736 UTC
User-Agent: Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
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
2026-10-05 17:18:14.736 UTC +0 ms homepage GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
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",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-ca0718389f9068a5666b90286a4d61ca-4cd8977d9b893254-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:18.576 UTC +3840 ms CSS GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (19) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-c260650eb938d56f28cd8e657174b177-9700217c146eccc4-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:18.579 UTC +3843 ms prefetch GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (20) 
{
  "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",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-f47d7182502eaeb0c57de7d6a434cd7d-8e6ddbbafd57bad9-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:18.746 UTC +4010 ms iframe document GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (20) 
{
  "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",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-d69385376cfffc443d6d74e00a4c8741-a7c1d857a185f1ab-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:18.749 UTC +4013 ms JS GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-c631f5e4ed1b32c5c1e669d5b42ab54a-114a74bcbc50887b-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:18.753 UTC +4017 ms ES module GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (20) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "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": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-7e44ff5a4e25495b1daa2bfb7ed0e91e-9cbdb94ca37cf2f4-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:19.843 UTC +5107 ms CSS @import (nested stylesheet) GET Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (19) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "cookie": "[redacted]",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/7D6OJ7S1/Tbro6Piu/style.css",
  "sec-ch-ua": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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": "00-189581168dc2c4e6c4b68aa7ccdcc12c-dc8397a493995d1b-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:21.489 UTC +6753 ms Reporting API report (POST) POST Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (23) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "content-length": "2146",
  "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": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-89d69c87a86dbb35c897d6deaa376168-68f66f62cbbb3f47-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-report-body": "{\"source\":\"ReportingObserver\",\"reports\":[{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":9,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-elem\",\"originalPolicy\":\"style-src 'self'; report-uri /r/7D6OJ7S1/Tbro6Piu/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":243,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/7D6OJ7S1/Tbro6Piu/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":247,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/7D6OJ7S1/Tbro6Piu/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/\",\"lineNumber\":755,\"columnNumber\":0,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/7D6OJ7S1/Tbro6Piu/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}},{\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"body\":{\"sourceFile\":\"https://uatracer.com/r/7D6OJ7S1/Tbro6Piu/main.js\",\"lineNumber\":45,\"columnNumber\":11,\"documentURL\":\"https://uatracer.com/\",\"referrer\":\"\",\"blockedURL\":\"inline\",\"effectiveDirective\":\"style-src-attr\",\"originalPolicy\":\"style-src 'self'; report-uri /r/7D6OJ7S1/Tbro6Piu/csp-report; report-to ua-tracer\",\"sample\":\"\",\"disposition\":\"report\",\"statusCode\":200}}],\"ua\":\"Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)\"}"
}
2026-10-05 17:18:21.493 UTC +6757 ms CSP violation report (POST) POST Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (23) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "content-length": "353",
  "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": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "sec-ch-ua-mobile": "?0",
  "sec-ch-ua-platform": "\"Windows\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-4b7fe3d517d575052e9e45df86615458-16c05d7f01ed7300-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-report-body": "{\"source\":\"securitypolicyviolation\",\"violatedDirective\":\"style-src-attr\",\"effectiveDirective\":\"style-src-attr\",\"blockedURI\":\"inline\",\"documentURI\":\"https://uatracer.com/\",\"disposition\":\"report\",\"lineNumber\":45,\"sourceFile\":\"https://uatracer.com/r/7D6OJ7S1/Tbro6Piu/main.js\",\"ua\":\"Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)\"}"
}
2026-10-05 17:18:22.188 UTC +7452 ms client timing POST POST Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
request headers (22) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "no-cache",
  "content-length": "2398",
  "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": "\"Not/A)Brand\";v=\"99\", \"Chromium\";v=\"148\"",
  "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-e7a5c263c88991b0b87319c80a9c660f-f152b03c6f983f12-01",
  "tracestate": "",
  "user-agent": "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:35.789 UTC +21053 ms image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,image/svg+xml,image/gif,image/*,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-2733e4d06fc75f68439d88c2f649a53c-26016c6044e6fcd5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-10-05 17:18:36.595 UTC +21859 ms image inside iframe GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,image/svg+xml,image/gif,image/*,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip, deflate",
  "connection": "keep-alive",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-13e941cdd28de322b698744726bc5ef4-e3d9a86aea196341-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-10-07 03:44:06.608 UTC +123951872 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": "00-9e70444343c42f882d6fddbc087b042f-9a732dfda91a85dc-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": "00-9e70444343c42f882d6fddbc087b042f-5b7bd075109ee335-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 03:44:10.693 UTC +123955957 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": "00-594c11006bc93a8749ad8fef7b05fd29-075f157307a630b8-01",
  "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": "00-594c11006bc93a8749ad8fef7b05fd29-e5e2a2bcd960e77b-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 06:14:58.652 UTC +133003916 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": "00-3a99c4494984d270d3e42bc4e4f85bd0-5a97ade7720e854f-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"
}
2026-10-07 08:13:54.671 UTC +140139935 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": "00-1d34a2254c98671eaca865a91d81576c-3dacb87b747487f4-01",
  "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": "00-1d34a2254c98671eaca865a91d81576c-9288551d4a486f7b-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 09:33:26.580 UTC +144911844 ms favicon 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": "00-13431eefa79f23f437a0fa8167f7a373-6dc18d0e77528a6e-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": "00-13431eefa79f23f437a0fa8167f7a373-0014a935b4b09c2f-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 11:30:58.722 UTC +151963986 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-a3ad8a6b234dbed7df0244d2d9a3740b-a490bdddf5a3ce4c-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-a3ad8a6b234dbed7df0244d2d9a3740b-d96dccf8af733a57-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 13:06:18.755 UTC +157684019 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": "00-75d3fb376cbd1967afd05de78c66d517-c129aef4a5e8fde5-01",
  "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": "00-75d3fb376cbd1967afd05de78c66d517-f39b9941509e5f7f-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 18:04:50.451 UTC +175595715 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-ed47f8f6c65ff6aace38b3e0ab0c5d3d-5511d36a295c6c7a-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-ed47f8f6c65ff6aace38b3e0ab0c5d3d-2d2bba9f0c665944-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-07 21:25:09.196 UTC +187614460 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 (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-4bdd4004c43ca3064723c01d78020ed8-193eee9c13f40d5c-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": "00-4bdd4004c43ca3064723c01d78020ed8-e08b0004c3893420-01",
  "x-deno-userspace-tracestate": ""
}
2026-10-17 20:25:17.085 UTC +1048022349 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-cfcd01639f68389472c9b0b3414e514a-b04295ed579b157b-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"
}

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 4398ms 1279ms
font.woff2 link 4398ms 19ms
preload.png link 4398ms 21ms
prefetch.png link 4403ms 891ms
iframe iframe 4581ms 1596ms
photo.png img 4582ms 7ms
main.js script 4582ms 2717ms
module.js script 4582ms 1956ms
import.css css 5680ms 1215ms
css-bg.png css 6902ms 43ms
css-font.woff2 css 6902ms 43ms
js-ran.gif?t=1791220701352 img 7304ms 17ms
module-ran.gif?t=1791220701361 img 7312ms 15ms
favicon.ico other 7351ms 3ms