ua-tracer by Paul Kinlan

ua-tracer

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

← all traces

Trace YS7rbYrR

First seen: 2026-07-03 07:26:37.147 UTC
User-Agent: Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.155 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0;)
Bot verification: Not a known bot (no IP-range check applies).

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
2026-07-03 07:26:37.147 UTC +0 ms homepage GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.155 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0;)
request headers (12) 
{
  "accept": "*/*,application/signed-exchange;v=b3",
  "accept-encoding": "gzip, deflate, br",
  "amp-cache-transform": "google;v=\"1..2\"",
  "connection": "keep-alive",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "traceparent": "00-70f9f273b68fcb52bbdd58097093e1cf-0ba482518db6d6be-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.155 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0;)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-70f9f273b68fcb52bbdd58097093e1cf-24a0dd3a2b573af9-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.111 UTC +1964 ms ES module GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-5da1f16687710183e6207564ab868b98-3ddd1b1e6e48946d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-5da1f16687710183e6207564ab868b98-35afb4077d6c4336-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.308 UTC +2161 ms JS GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (13) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-64d7495129fde42779af868c3af1a92b-6fc7cf868fd75c3b-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-03 07:26:39.311 UTC +2164 ms font (HTML) GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-94d6b579a4e3867540ef3fc708e724bc-37a0195da0ebcc6d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-94d6b579a4e3867540ef3fc708e724bc-b5a5633326460066-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.311 UTC +2164 ms prefetch GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (14) 
{
  "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",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "sec-purpose": "prefetch",
  "traceparent": "00-8cbfb19658e6dd0f56e426ffe661c724-d1717f2ca90b3bda-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-03 07:26:39.319 UTC +2172 ms CSS GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (15) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-d29e92374a2193b884a290b87979f4ff-1c1bf2299a99612d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-d29e92374a2193b884a290b87979f4ff-54ed5e88108afa23-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.323 UTC +2176 ms iframe document GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (16) 
{
  "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",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-9abcf7cfccf76aceb928f5c02e46ecea-12bdab2c59dd4dde-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/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9abcf7cfccf76aceb928f5c02e46ecea-3533d2435adb20f6-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.331 UTC +2184 ms image GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (15) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-60ab120b67049a1322f745acc1b0bede-4b9a56d7cedd0ef2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-60ab120b67049a1322f745acc1b0bede-0124197c192cbe43-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:39.379 UTC +2232 ms preload (image) GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (15) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-4a52fc0f6765475dafd9b6f8e5e4b9bb-655485120b1af71e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-4a52fc0f6765475dafd9b6f8e5e4b9bb-2e86c1f4397bd3d2-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:41.547 UTC +4400 ms image inside iframe GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/YS7rbYrR/sPXn2Z7V/iframe",
  "traceparent": "00-d985ada1882409de7698eb98bdd1c4bf-0f6ee262eeec8b3a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-03 07:26:41.955 UTC +4808 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/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (15) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/YS7rbYrR/sPXn2Z7V/style.css",
  "traceparent": "00-73a9d409509ef5cf9066e05a4cd308fd-e1572ac15acb9699-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-73a9d409509ef5cf9066e05a4cd308fd-b2c369825106c350-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:43.135 UTC +5988 ms JS executed beacon GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-9642b06eff96344b2bbf7086295e8617-655fee55a8983fda-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-07-03 07:26:43.135 UTC +5988 ms CSS @font-face GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "referer": "https://uatracer.com/r/YS7rbYrR/sPXn2Z7V/style.css",
  "traceparent": "00-bb2c09a278f9b8c95818c2c10bb53dc6-6d111005b45fde15-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-bb2c09a278f9b8c95818c2c10bb53dc6-db641f94eaf07ee6-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:43.159 UTC +6012 ms CSS background-image GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (15) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/YS7rbYrR/sPXn2Z7V/style.css",
  "traceparent": "00-a80af9250e6190aa8a8955ac3ccf325d-260a4a99176a8fe9-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a80af9250e6190aa8a8955ac3ccf325d-39690b8853a477c3-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-03 07:26:44.651 UTC +7504 ms ES module executed GET Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
request headers (13) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br",
  "accept-language": "en-US",
  "cache-control": "no-store, no-cache",
  "connection": "keep-alive",
  "cookie": "ua-tracer-trace=YS7rbYrR",
  "from": "googlebot(at)googlebot.com",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "traceparent": "00-407cc712d99968aa8aaf234ed6261c7d-b2c8d5e82f5b7ae3-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.7827.200 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}

Client-side resource waterfall

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