ua-tracer by Paul Kinlan

trace gt5LKU10

ua-tracer

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

← all traces

Trace gt5LKU10

First seen: 2026-08-15 01:34:57.403 UTC
User-Agent: Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 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
2026-08-15 01:34:57.403 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-19627945b79a53d7a52150431b382f80-97e4c4dcd9c31f58-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-19627945b79a53d7a52150431b382f80-37918dcb53893f9a-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:03.283 UTC +5880 ms prefetch GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 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=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "sec-purpose": "prefetch",
  "traceparent": "00-306abcd0051633eea7d9ca46d270d520-35df75c02a1b2e17-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-306abcd0051633eea7d9ca46d270d520-6ed073b08cfcf21c-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:03.626 UTC +6223 ms iframe document GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 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=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-28046d1657717551d23361883c120e7e-60bcdc60fa1efb17-01",
  "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/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-28046d1657717551d23361883c120e7e-156943c16d8dd93d-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:04.067 UTC +6664 ms CSS GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (14) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-21bd94d99228e25579800db8846eac2a-f6e86915a70cc037-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-21bd94d99228e25579800db8846eac2a-90d3e1627fd99a3f-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:05.638 UTC +8235 ms ES module GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 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=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-57f20f41337896167060b92a24ea8e93-dbbb8460cd471bbe-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-57f20f41337896167060b92a24ea8e93-49bead35c8138fa6-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:06.091 UTC +8688 ms JS GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 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=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-d6239da51df85eec2225bc7b8e2a981f-d471459a9a76e619-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-d6239da51df85eec2225bc7b8e2a981f-8963a95531f21aae-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:11.538 UTC +14135 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
request headers (14) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=gt5LKU10",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/gt5LKU10/7gEpVIWr/style.css",
  "traceparent": "00-7753fac8f5902496cca3e528aadcb248-2e1567ce28d5aaa4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.7922.108 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7753fac8f5902496cca3e528aadcb248-b0a38ff56a376e85-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:13.790 UTC +16387 ms favicon GET Googlebot-Image/1.0
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-6ae08de53acb3fb424b6f23551f89e69-7fdd4523e072b754-01",
  "tracestate": "",
  "user-agent": "Googlebot-Image/1.0",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6ae08de53acb3fb424b6f23551f89e69-cb9ecdf5aa62df63-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-15 01:35:15.322 UTC +17919 ms apple-touch-icon GET Googlebot-Image/1.0
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-2cb98e1cb69b689e011918d35bfb8c02-f00e2e7438de8427-01",
  "tracestate": "",
  "user-agent": "Googlebot-Image/1.0",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-2cb98e1cb69b689e011918d35bfb8c02-1f2bff88eff934f7-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-22 11:16:05.590 UTC +639668187 ms apple-touch-icon GET Googlebot-Image/1.0
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-59403ab80e65b1b1ca31e55f57396a0c-c161228f3f1cf31d-01",
  "tracestate": "",
  "user-agent": "Googlebot-Image/1.0",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-23 05:11:01.039 UTC +704163636 ms apple-touch-icon GET Googlebot-Image/1.0
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-af1a128437906d48666b4137ecf36edf-dbb61d065f9a10f4-01",
  "tracestate": "",
  "user-agent": "Googlebot-Image/1.0",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-24 19:29:41.060 UTC +842083657 ms apple-touch-icon GET Googlebot-Image/1.0
request headers (11) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-5684afbfcc9aadf4c75730fa9cd58c67-0d518492386f50e8-01",
  "tracestate": "",
  "user-agent": "Googlebot-Image/1.0",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-5684afbfcc9aadf4c75730fa9cd58c67-33703e36764f675a-01",
  "x-deno-userspace-tracestate": ""
}