ua-tracer by Paul Kinlan

ua-tracer

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

← all traces

Trace qB5bMmJ1

First seen: 2026-06-22 12:00:33.412 UTC
User-Agent: TelegramBot (like TwitterBot)

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
2026-06-22 12:00:33.412 UTC +0 ms homepage GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-3c5cc575b2832f62dab35073bd794a3a-e1d7091caf64af14-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:00:33.773 UTC +361 ms Twitter card image GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-b2903f78dacfbee2d5ea2e8c294ba928-e05ecb175768de42-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:00:34.520 UTC +1108 ms favicon GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-0db9f75ddb16e3afdecf1933e25a6f04-e9524ca2fbb811d4-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:01:35.083 UTC +61671 ms favicon GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-7a9a6ad05fb02c0c9b9e28369d8fe3c3-45708e5f10242001-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:02:36.206 UTC +122794 ms favicon GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-1f2d342c65ea57ad7edfd32098d784a1-fbe4a9ea3b1b8987-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:03:38.923 UTC +185511 ms favicon GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-912dece2be1460b7895f034e7beed22f-a8e13d9c4f8e29e9-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-06-22 12:04:38.151 UTC +244739 ms favicon GET TelegramBot (like TwitterBot)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br",
  "accept-language": "en-US,en;q=0.5",
  "cookie": "euConsent=true; BCPermissionLevel=PERSONAL; BC_GDPR=11111; fhCookieConsent=true; gdpr-source=GB; gdpr_consent=YES; beget=begetok; SOCS=CAISNQgEEitib3FfaWRlbnRpdHlmcm9udGVuZHVpc2VydmVyXzIwMjMwNzIzLjA5X3AwGgJlbiACGgYIgMSBpgY",
  "host": "ua-tracer.paulkinlan-ea.deno.net",
  "traceparent": "00-8730de87316b2adebc73ea37853780e8-5a08919440caa95b-01",
  "tracestate": "",
  "user-agent": "TelegramBot (like TwitterBot)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}