ua-tracer by Paul Kinlan

trace YlqIuJ06

ua-tracer

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

← all traces

Trace YlqIuJ06

First seen: 2026-08-20 14:23:32.924 UTC
User-Agent: Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
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
2026-08-20 14:23:32.924 UTC +0 ms homepage GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:mn7qEgfalTGfi0iJt7hN/9Pz0tvudECNK785LRF3fbWVOvpaW1rxcs4gP9mslZ/7m8g6P3AZW8qbWJ67E1TQBQ==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787235812;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787235872;nonce=\"eSR1cJ2OMrz36MGkmlXqs0YtW4XXyRRU9w8FY7ICRDRMssH8CI2k_HrNJd7l75AYZiVHEQ0ro5O1aOxHtmC28g\";tag=\"web-bot-auth\"",
  "traceparent": "00-3a4de89953cd33a3fa1c29403ea3c911-fe850c5493f6acf0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-3a4de89953cd33a3fa1c29403ea3c911-3e022621d8311bf3-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-20 14:27:30.291 UTC +237367 ms CSS GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:a5TV2nY4kRKr6QK3308VoTd6IxqcP9lh2nQ+dP8mmyePA6rHzMIITbHeXvlwcLWmQOF5rLNk56wfEaU+NgR/AA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787236050;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787236110;nonce=\"5kecPx1PfDGX3yZwvC9JWgGDhO_3vv-FzfDyOuP9FyS9UduSZJD-VSCzwMbGS3ckP5kuSipXThAW_td4OxNDnw\";tag=\"web-bot-auth\"",
  "traceparent": "00-4844bde280e640a00f52c07b91bba7a2-084dda592329dc0f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-20 14:27:31.573 UTC +238649 ms image GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:gDWjYyMLygu04dEIP+Z+SMNijwOrNdGDvqt5hE5WyYG7oTKzyeVlX5bMQKfd+fRU8uMFfwNJiTWlHZu30YvnAg==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787236051;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787236111;nonce=\"QbpFkStSU_axMnWqMG99QEUbq1dV4xJROA3rbyi7btvDLVYtLWwki89VS7nlXSnX9y2knpmZGMV8RCkknj3seg\";tag=\"web-bot-auth\"",
  "traceparent": "00-314fe4aaa10d1acf5993dd02b7f2f2a0-46fdc9256d51ffac-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-314fe4aaa10d1acf5993dd02b7f2f2a0-510989f3f44b84c3-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-20 14:27:32.780 UTC +239856 ms Open Graph image GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:iXWc3ZxEg0rVkxQNC2dFtHsOT4OFwHMpmamGYeFZxTv9c98MQBMuVc5HcjrwBUp3ew/VNFvyXfCXCYWrN7DmBg==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787236052;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787236112;nonce=\"_HPQda88yKn43Wns3OXK-mwGfZH95SS_c3ZoQHnaaweCnr1gXNk2zIxwXRZ-ibmTLEFrkQeh7b7Vz33CNSfDzQ\";tag=\"web-bot-auth\"",
  "traceparent": "00-f8ec1a48ed8acd70ffdc87c56e228901-c24765945af6a708-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-f8ec1a48ed8acd70ffdc87c56e228901-afe756f741fe7f83-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-20 14:27:34.016 UTC +241092 ms ES module GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (10) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:Mx1Z9q/9l2gvFOIg6ZHJXpEvIcL0irX/c0oPnrNPFeDXbaT3fRJFv9imCxAnv2ZmXMLtvg4+QxTRPUvKeMoyCA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787236053;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787236113;nonce=\"9OVscp20qXfEt4uJtvFZEmq0ex8imjJ8tdch3CcFilsFDIdi3JjMSLUALCxkottG-82coRIvnzStlyiy__E0gg\";tag=\"web-bot-auth\"",
  "traceparent": "00-e0b702c0012c5d3a6556487ea12eb6e0-ce28816964f5b567-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-20 14:27:35.368 UTC +242444 ms JS GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (12) 
{
  "accept": "*/*",
  "accept-encoding": "deflate, gzip, br, zstd",
  "host": "uatracer.com",
  "signature": "sig=:Vky0OgbKOsM3uJ7L9g4vY7EVVGFMKfkWPIYJJyc1CclSo8HAUbyfEq2uzFJmgbCayN210B6fuDM85baFwfLPCw==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1787236055;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1787236115;nonce=\"5odojPqRqs1vUzudtUYAiv1jm8wCx5Epa0-9leNkyo49HeymbAtmU7Yc3cPZG1J52N1aNKbHoKAsDGsmX8FvpA\";tag=\"web-bot-auth\"",
  "traceparent": "00-dd4bcda1845ec4663aab5b1c6cee8174-a0550d2b3afbc7ba-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-dd4bcda1845ec4663aab5b1c6cee8174-dcd840ac7ee3d040-01",
  "x-deno-userspace-tracestate": ""
}