ua-tracer by Paul Kinlan

trace sQRC0CWn

ua-tracer

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

← all traces

Trace sQRC0CWn

First seen: 2026-10-23 06:49:41.367 UTC
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
Bot verification: ✓ verified GPTBot IP in GPTBot published range.

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
2026-10-23 06:49:41.367 UTC +0 ms homepage GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://domraider.it.com",
  "traceparent": "00-dd4c66eb37a93de256b0d2814044abe1-d0a2bf3b1be45feb-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:49:44.157 UTC +2790 ms CSS GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-1f3893a1572864ec6778597d58240f8f-855febbdbb338d5a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:49:48.414 UTC +7047 ms image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-f1fdd3b805f6e10310830567ab7e5972-966f263af5157829-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:49:51.201 UTC +9834 ms font (HTML) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-cade7b7d91c8b38945623049a230c2c4-8d8e59df8bc5cc4e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:49:54.665 UTC +13298 ms preload (image) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-0b70ad11ef0e0ddfb97f802529bab83f-9ec3965d740e2472-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:13.135 UTC +31768 ms ES module GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-dffcde5fb1d36bbdb7bbc0affa94c0f7-6dd41a11c131be9e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:16.138 UTC +34771 ms apple-touch-icon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-3a383bebf0cd039707a376b3700eb331-d1d19d81807899e4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:18.175 UTC +36808 ms favicon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-8006a22886382649d842ac8fe28deaa0-52f472d081ef3ae9-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:18.655 UTC +37288 ms prefetch GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-197f9e1a058c21841ee98d54f0fe8dc0-264e14570a2014d8-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:19.162 UTC +37795 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-1b042165730f7d023f3af7ca2869cf04-f19c6c351eedad63-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:19.663 UTC +38296 ms JS GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-6ef6a19f23037350321c0753224fef9a-17fb08a6611473b3-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:20.155 UTC +38788 ms web app manifest GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-e3b758ca44d50500407e47dd1e197603-8b01e3be0cc7cc04-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:20.663 UTC +39296 ms CSS @font-face GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/sQRC0CWn/4ZFjxEgZ/style.css",
  "traceparent": "00-6ca7d5d6fb9b8d657f131278744c853d-07cdcdea9ff71e86-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:21.155 UTC +39788 ms CSS @import (nested stylesheet) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/sQRC0CWn/4ZFjxEgZ/style.css",
  "traceparent": "00-f9522a4c6dafa92fc7004440a64cf37e-773313226505fe14-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:21.633 UTC +40266 ms CSS background-image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/sQRC0CWn/4ZFjxEgZ/style.css",
  "traceparent": "00-8a691455539f6dca3c43e4399fec2770-77d578df1c0e99c8-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-23 06:50:22.183 UTC +40816 ms image inside iframe GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "cookie": "[redacted]",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/sQRC0CWn/4ZFjxEgZ/iframe",
  "traceparent": "00-5b61c70fd5f6355fbc56dc8c468cda19-706e6398490d6e49-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-31 22:55:46.514 UTC +749165147 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Reflectionbot/1.0; +https://reflection.ai/bot) Chrome/151.0.0.0 Safari/537.36
request headers (13) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
  "accept-encoding": "gzip,deflate,br",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "traceparent": "00-d099f3447f487ec65ed6c5c9c763380f-ef5ab470b09b7a8e-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Reflectionbot/1.0; +https://reflection.ai/bot) Chrome/151.0.0.0 Safari/537.36",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}