ua-tracer by Paul Kinlan

trace GNW0Q8Yy

ua-tracer

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

← all traces

Trace GNW0Q8Yy

First seen: 2026-09-22 18:03:45.871 UTC
User-Agent: Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)
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
2026-09-22 18:03:45.871 UTC +0 ms homepage GET Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-cn,zh-tw",
  "host": "uatracer.com",
  "traceparent": "00-744c9af84989245d0677920a97bc2932-a8db2ca1e41b6fdc-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-744c9af84989245d0677920a97bc2932-697be4d6a95e3869-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:51.398 UTC +5527 ms preload (image) GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-64d913c9f76b1c3cc7e676c80125b6a0-b22de0d7a9d05667-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-64d913c9f76b1c3cc7e676c80125b6a0-303dd0d8fc8dff61-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:51.491 UTC +5620 ms JS GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-00a125ae91623960e4502e829e21cc4a-a73808dbc1aefb03-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-09-22 18:03:51.494 UTC +5623 ms image GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-9fc166940f27daf0eb835081cec9b36c-81daa4cbf167fa2f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9fc166940f27daf0eb835081cec9b36c-3f7190b9a4c208f6-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:51.546 UTC +5675 ms iframe document GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (14) 
{
  "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,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-9a81227e1ab7120c2a7906e16f5a2f0c-78aece58b27c25b6-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9a81227e1ab7120c2a7906e16f5a2f0c-65632567128f50e1-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:51.566 UTC +5695 ms font (HTML) GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-a383752fa494a1b2166dc1e859c03198-293f9a2cc2c4a23c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a383752fa494a1b2166dc1e859c03198-a605ef99064f1c43-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:51.586 UTC +5715 ms CSS GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-4a0fbaa78159ef2d7a74f1c15b8ea845-6a2e0870254e62fa-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-09-22 18:03:51.614 UTC +5743 ms prefetch GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "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,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-0b266c318ed0172f22b1c6e34b6c76ee-ed0c7a3fc9a44a7f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0b266c318ed0172f22b1c6e34b6c76ee-962870edefb2b4ac-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:54.038 UTC +8167 ms image inside iframe GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/GNW0Q8Yy/5p2ZK7O6/iframe",
  "traceparent": "00-28dba5693d86a865027dce9308bfe7a0-8bebd82ab20f97c2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-28dba5693d86a865027dce9308bfe7a0-283b3a4c24bec888-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:54.502 UTC +8631 ms ES module GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-022c35c760d6df522c6bbc0d847aa99f-37f9a53278d2f571-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-022c35c760d6df522c6bbc0d847aa99f-932a501386cf6244-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:54.944 UTC +9073 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/GNW0Q8Yy/5p2ZK7O6/style.css",
  "traceparent": "00-9e3ac59328d56703615ecdb498c1bb78-06d31e805cfd9b5b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9e3ac59328d56703615ecdb498c1bb78-f885bb972eff6072-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.646 UTC +10775 ms JS executed beacon GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-d50174f01266cad0bcd5d53d59bce104-4322877e7aa388ba-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-d50174f01266cad0bcd5d53d59bce104-8f4bd70a07d64a7d-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.710 UTC +10839 ms ES module executed GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-76dfe83402c794f506fb02180fae0930-4aee12c446bb4c29-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-76dfe83402c794f506fb02180fae0930-9082ca3e51e098ee-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.711 UTC +10840 ms CSP violation report (POST) POST Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "content-length": "0",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-ff964f44f21b3ee016f3ee1fddc712b4-e9b85caba83891de-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ff964f44f21b3ee016f3ee1fddc712b4-2952def80600a5ba-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.714 UTC +10843 ms CSS @font-face GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/r/GNW0Q8Yy/5p2ZK7O6/style.css",
  "traceparent": "00-10b4df8bdf3f2504bf5bf8da0d1288c2-9951116d45ce94fc-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-10b4df8bdf3f2504bf5bf8da0d1288c2-2fd9cb3a1de2179d-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.742 UTC +10871 ms Reporting API report (POST) POST Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "content-length": "0",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?utm_source=bv-abdhf&utm_medium=email&utm_campaign=bvabdhf-ebff-b-hey-va-b-cebzcg-fgffe-ba-yyzf",
  "traceparent": "00-f41eeb870bceeaa83b53c07d5ee3c8a7-efd77ea12fb940c2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-f41eeb870bceeaa83b53c07d5ee3c8a7-f3ab67195b7ace8f-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-22 18:03:56.802 UTC +10931 ms CSS background-image GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=GNW0Q8Yy",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/GNW0Q8Yy/5p2ZK7O6/style.css",
  "traceparent": "00-6908d07ad356b9c3ea399f55aef1ebd4-f66a0be4cc4adc5e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6908d07ad356b9c3ea399f55aef1ebd4-b9891101fe4431c1-01",
  "x-deno-userspace-tracestate": ""
}

Client-side resource waterfall

JS executed (beacon hit) but no resource-timing payload was posted (UA may block sendBeacon/fetch or strip the body).