ua-tracer by Paul Kinlan

ua-tracer

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

← all traces

Trace vxypZV4F

First seen: 2026-06-28 04:58:10.444 UTC
User-Agent: Python/3.11 aiohttp/3.13.3

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
2026-06-28 04:58:10.444 UTC +0 ms homepage GET Python/3.11 aiohttp/3.13.3
request headers (8) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br",
  "cookie": "HandLtestDomainNameServer=HandLtestDomainValueServer; care_did=2a77673c-0d48-4874-9c94-ac53895d6ffb; first_utm_campaign=melita-at-woodland-village-rental-homes; first_utm_medium=redirect; first_utm_source=vanity; handl_ip=89.238.132.78; handl_landing_page=https%3A%2F%2Flivebh.com%2Fapartments%2Fwoodland-village-rental-homes%2F%3Futm_source%3Dvanity%26utm_medium%3Dredirect%26utm_campaign%3Dmelita-at-woodland-village-rental-homes%26original_referrer%3Dmelitaatwoodlandvillagerentalhomes.com; handl_url=https%3A%2F%2Flivebh.com%2Fapartments%2Fbunton-creek-rental-homes%2F%3Futm_source%3Dvanity%26utm_medium%3Dredirect%26utm_campaign%3Dmagnolia-at-bunton-creek-rental-homes%26original_referrer%3Dmagnoliaatbuntoncreekrentalhomes.com; handl_url_base=https%3A%2F%2Flivebh.com%2Fapartments%2Fbunton-creek-rental-homes%2F; user_agent=Python%2F3.11%20aiohttp%2F3.13.3; utm_campaign=magnolia-at-bunton-creek-rental-homes; utm_medium=redirect; utm_source=vanity",
  "host": "uatracer.com",
  "traceparent": "00-f2ffc1a154e91857904395d5d52d08ef-3a174fd94075301c-01",
  "tracestate": "",
  "user-agent": "Python/3.11 aiohttp/3.13.3",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}