ua-tracer by Paul Kinlan

trace 5vq8Bwa6

ua-tracer

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

← all traces

Trace 5vq8Bwa6

First seen: 2026-10-09 19:52:44.807 UTC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
Bot verification: ✓ verified OAI-SearchBot IP in OAI-SearchBot 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
2026-10-09 19:52:44.807 UTC +0 ms homepage GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/traces?path=%2Ffavicon.ico&ua=Mozilla%2F5.0+%28X11%3B+Linux+x86_64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+HeadlessChrome%2F149.0.0.0+Safari%2F537.36",
  "traceparent": "00-da3f248096798fca4e66eb8e7bdd2f26-fa8fa0bd822ed5e2-01",
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  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-da3f248096798fca4e66eb8e7bdd2f26-c73ae0df3d2ccc5a-01",
  "x-deno-userspace-tracestate": "",
  "x-openai-host-hash": "383938406"
}
2026-10-09 20:21:36.775 UTC +1731968 ms prefetch GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-01727e32d7011d4c65e1e1b5c8998eb7-dee81a9bde5843b3-01",
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  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-openai-host-hash": "383938406"
}
2026-10-09 20:21:38.672 UTC +1733865 ms ES module GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-23b7348f677f8147f1ed9dc4337e4e57-49aef37e611046f9-01",
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  "x-openai-host-hash": "383938406"
}
2026-10-09 20:21:40.151 UTC +1735344 ms favicon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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  "traceparent": "00-2594e193de39f26144f9fd954a6debe5-cf08aca84a400277-01",
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  "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot",
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  "x-openai-host-hash": "383938406"
}
2026-10-09 20:21:41.432 UTC +1736625 ms image GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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}
2026-10-09 20:21:42.397 UTC +1737590 ms web app manifest GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
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2026-10-09 20:21:43.187 UTC +1738380 ms iframe document GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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  "traceparent": "00-00fa75e6cbec43fcfdba0bb66d599b48-95a935d401af6b46-01",
  "tracestate": "",
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2026-10-09 20:21:43.824 UTC +1739017 ms CSS GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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2026-10-09 20:21:44.287 UTC +1739480 ms apple-touch-icon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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2026-10-09 20:21:44.815 UTC +1740008 ms preload (image) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
{
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  "from": "oai-searchbot(at)openai.com",
  "host": "uatracer.com",
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2026-10-09 20:21:45.311 UTC +1740504 ms JS GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
{
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2026-10-09 20:21:45.843 UTC +1741036 ms font (HTML) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 20:52:38.239 UTC +3593432 ms CSS @font-face GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
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2026-10-09 20:52:38.694 UTC +3593887 ms JS executed beacon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 20:52:41.082 UTC +3596275 ms image inside iframe GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 20:52:42.931 UTC +3598124 ms ES module executed GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (10) 
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2026-10-09 20:52:44.505 UTC +3599698 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 20:52:45.716 UTC +3600909 ms CSS background-image GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 21:19:39.940 UTC +5215133 ms ES module executed GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 21:19:40.727 UTC +5215920 ms JS executed beacon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 21:51:10.596 UTC +7105789 ms JS executed beacon GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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2026-10-09 21:51:13.612 UTC +7108805 ms ES module executed GET Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot
request headers (12) 
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Client-side resource waterfall

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