ua-tracer by Paul Kinlan

trace bxnIOKmu

ua-tracer

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

← all traces

Trace bxnIOKmu

First seen: 2026-09-21 05:30:30.562 UTC
User-Agent: Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
Bot verification: ✓ verified Googlebot IP checked against published bot CIDR ranges; IP in Googlebot 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
2026-09-21 05:30:30.562 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (13) 
{
  "accept": "text/html,application/xhtml+xml,application/signed-exchange;v=b3,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "amp-cache-transform": "google;v=\"1..8\"",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "if-modified-since": "Sun, 20 Sep 2026 05:46:07 GMT",
  "traceparent": "00-33dc28db71061eb5a14e703eb5d1b0b9-3b90f7744cb16dd2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-33dc28db71061eb5a14e703eb5d1b0b9-846ae8f8a1df97e9-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-21 05:30:32.986 UTC +2424 ms JS GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=bxnIOKmu",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-186a609b50815d335159499bc184ec3e-1d8ce2ac6a614332-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-186a609b50815d335159499bc184ec3e-308ffd9ab797f203-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-21 05:30:33.274 UTC +2712 ms iframe document GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (15) 
{
  "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, deflate, br",
  "accept-language": "en-US",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=bxnIOKmu",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-c555f34ae831f23f3bd896da2562519e-097ff1b169cf3158-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c555f34ae831f23f3bd896da2562519e-0468a17fb6738ee1-01",
  "x-deno-userspace-tracestate": ""
}
2026-09-21 05:30:34.046 UTC +3484 ms ES module GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (15) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=bxnIOKmu",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-97be39feee8e3d42454c6f9baddd00c9-a735f96ff0319c57-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.47 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-97be39feee8e3d42454c6f9baddd00c9-7a04b550bedf3ded-01",
  "x-deno-userspace-tracestate": ""
}