ua-tracer by Paul Kinlan

trace 1rHKitMh

ua-tracer

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

← all traces

Trace 1rHKitMh

First seen: 2026-06-26 08:44:57.387 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 checked against published bot CIDR ranges; 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
2026-06-26 08:44:57.387 UTC +0 ms homepage 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, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "traceparent": "00-54e01a930adab69804d38607aca31adb-7ad93899d5636361-01",
  "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-deno-userspace-traceparent": "00-54e01a930adab69804d38607aca31adb-bc9b8226e4106521-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:00.617 UTC +3230 ms favicon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-9aa275ec3007f94241e4be1c6f1a5776-f741175b607a8354-01",
  "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-deno-userspace-traceparent": "00-9aa275ec3007f94241e4be1c6f1a5776-1bb4298ac4604009-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:17.905 UTC +20518 ms prefetch GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-102305580a4debb823885f89e09fafa0-6c9304edcc704508-01",
  "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-deno-userspace-traceparent": "00-102305580a4debb823885f89e09fafa0-ae1b0923a96bd86b-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:40.049 UTC +42662 ms ES module GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-49ba1c72a8f4cce880e380526489e105-50a7cbaa1da19185-01",
  "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-deno-userspace-traceparent": "00-49ba1c72a8f4cce880e380526489e105-7a004a93bc0b8599-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:40.579 UTC +43192 ms apple-touch-icon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-acd5992e21f362c4512cd960c53783dd-4449459793c9543b-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-deno-userspace-traceparent": "00-acd5992e21f362c4512cd960c53783dd-57801f7cb416eb76-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:46.289 UTC +48902 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-67cd72dc67f83dacc0dbf82d8d5ed7af-b61582aed676c13f-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-deno-userspace-traceparent": "00-67cd72dc67f83dacc0dbf82d8d5ed7af-26ba2e5cbfe9bd5f-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:50.049 UTC +52662 ms preload (image) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-a4fbd3002adbc3d46c6285ca09417460-a856476940a2e4ac-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-deno-userspace-traceparent": "00-a4fbd3002adbc3d46c6285ca09417460-c475d36a0a25dc92-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:52.113 UTC +54726 ms font (HTML) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-508d49918e289e5c1347a70aefa21f80-9146e9417d340eac-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-deno-userspace-traceparent": "00-508d49918e289e5c1347a70aefa21f80-0d77d78b2071c7cc-01",
  "x-deno-userspace-tracestate": "",
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}
2026-06-26 08:45:53.225 UTC +55838 ms image inside iframe GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/1rHKitMh/iframe",
  "traceparent": "00-7b517dd8eb7c0ba1b29780fc34e9a9d5-ac2193c2084c7f8c-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-deno-userspace-traceparent": "00-7b517dd8eb7c0ba1b29780fc34e9a9d5-a2918fc1113957f4-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-06-26 08:45:54.245 UTC +56858 ms JS GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-cc92fbe9103ce253968469ad2c58a61b-4113540d87e8a113-01",
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  "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-deno-userspace-traceparent": "00-cc92fbe9103ce253968469ad2c58a61b-421160f0f7a8857e-01",
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}
2026-06-26 08:45:54.773 UTC +57386 ms web app manifest GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
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}
2026-06-26 08:49:24.085 UTC +266698 ms image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
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  "x-deno-userspace-traceparent": "00-a646c39d5b9babafdab3e24a61a60f47-890ff8d52556388e-01",
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2026-06-26 08:49:25.205 UTC +267818 ms CSS GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
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}
2026-06-26 08:49:27.832 UTC +270445 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 (12)
{
  "accept": "*/*",
  "accept-encoding": "gzip, br, deflate",
  "from": "gptbot(at)openai.com",
  "host": "uatracer.com",
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2026-06-26 08:49:28.333 UTC +270946 ms CSS background-image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
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  "from": "gptbot(at)openai.com",
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2026-06-26 08:49:28.834 UTC +271447 ms CSS @font-face GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)
request headers (12)
{
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2026-06-26 16:10:50.248 UTC +26752861 ms iframe document 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)
{
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}
2026-07-31 22:23:38.553 UTC +3073121166 ms iframe document 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)
{
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}
2026-08-11 18:51:24.234 UTC +4010786847 ms iframe document 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)
{
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  "accept-encoding": "gzip",
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}
2026-08-14 10:23:05.202 UTC +4239487815 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)
{
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