ua-tracer by Paul Kinlan

trace AR7mlEXD

ua-tracer

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

← all traces

Trace AR7mlEXD

First seen: 2026-09-14 02:51:07.623 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
2026-09-14 02:51:07.623 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": "00-120c71ba501ea358e1fbe79f12d1dafd-7cc03a997164ad2e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-120c71ba501ea358e1fbe79f12d1dafd-8e940d3d4624abc8-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-14 02:51:12.499 UTC +4876 ms preload (image) GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-ecf5aa694cee6576330fde136292e350-369556c8c1c496c5-01",
  "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"
}
2026-09-14 02:51:12.524 UTC +4901 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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-6bd36786e04fea9eed11bf3ee42ede67-3fe9faedf91f599f-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"
}
2026-09-14 02:51:12.539 UTC +4916 ms font (HTML) GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (12) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-bf7ece952440c5baaa6ae164362f4736-5cbda10d14760870-01",
  "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"
}
2026-09-14 02:51:12.553 UTC +4930 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=AR7mlEXD",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-9f3f8bab6a0cf063a5371af93b65eb27-d5a08ccb0838fa4a-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": "00-9f3f8bab6a0cf063a5371af93b65eb27-ab0bdd407a6e6a23-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-14 02:51:12.567 UTC +4944 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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-cf07d33e888d651b7d3a857d29fc80d3-d2fb2d03e3793fd4-01",
  "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"
}
2026-09-14 02:51:12.593 UTC +4970 ms iframe document GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
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,en;q=0.9,en-GB;q=0.8,en-US;q=0.7,fr;q=0.6",
  "connection": "Close",
  "cookie": "ua-tracer-trace=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-abb24723a3bf8426e884a6ca662926ab-8d809be0043a5bce-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"
}
2026-09-14 02:51:12.613 UTC +4990 ms image GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-c510176a175e8d33a9a594bd62d5a148-d6e3ce4c634662ca-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"
}
2026-09-14 02:51:13.553 UTC +5930 ms prefetch GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-0c0b89db1af55a2c07de719ff456281e-a52d1f34e0594d38-01",
  "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"
}
2026-09-14 02:51:15.429 UTC +7806 ms CSS @import (nested stylesheet) 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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/AR7mlEXD/kjDp2hwL/style.css",
  "traceparent": "00-4687a22be7b9a2cf862c0935dc5740d7-4c7a488bd2eeca57-01",
  "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"
}
2026-09-14 02:51:16.644 UTC +9021 ms image inside iframe GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/AR7mlEXD/kjDp2hwL/iframe",
  "traceparent": "00-6bae11e45bf290b2e9632e3e3d5a6d79-f37c15e46c8d0a98-01",
  "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"
}
2026-09-14 02:51:17.538 UTC +9915 ms CSS background-image GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/AR7mlEXD/kjDp2hwL/style.css",
  "traceparent": "00-180e1f09b1f382d520ef52c9cc934bd4-f7f7bdf5936e2c73-01",
  "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"
}
2026-09-14 02:51:17.553 UTC +9930 ms JS executed beacon GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-d3f012cbf7ecabdfa8634ebfeab60540-087b90e6f19357ba-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"
}
2026-09-14 02:51:17.605 UTC +9982 ms CSP violation report (POST) POST 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",
  "content-length": "0",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=AR7mlEXD",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-a75afaa61cbe5bec582357dd601468cb-aa2da03cd64861a0-01",
  "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"
}
2026-09-14 02:51:17.640 UTC +10017 ms Reporting API report (POST) POST 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",
  "content-length": "0",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=AR7mlEXD",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-4f272cf4528de7094ca5f262a116503d-95ec1955fc5a9840-01",
  "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"
}
2026-09-14 02:51:17.644 UTC +10021 ms ES module executed GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (11) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/?ref=tiny-helpers/",
  "traceparent": "00-bda2445b7aff4fa2b003c3cd579e2225-829daf1d3022f3ad-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"
}
2026-09-14 02:51:17.645 UTC +10022 ms CSS @font-face GET Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)
request headers (12) 
{
  "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=AR7mlEXD",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/r/AR7mlEXD/kjDp2hwL/style.css",
  "traceparent": "00-9e398c189d08074105f70f858354cd32-ca19168691187eb5-01",
  "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"
}
2026-09-17 13:58:49.057 UTC +299261434 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": "00-52487902be45f2f7361f626094d972e8-2c07810676d4a6ac-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": "00-52487902be45f2f7361f626094d972e8-d4dc4271d0e072da-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-17 13:58:50.208 UTC +299262585 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": "00-721f054450d68c51c351bc8f5795599b-767d1f7865cd85ee-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": "00-721f054450d68c51c351bc8f5795599b-4e5cccb85b2ef477-01",
  "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).