ua-tracer
by Paul Kinlan
trace gNqLJpKb
what does a user agent actually fetch, follow & run?
Trace gNqLJpKb
First seen: 2026-11-10 15:35:58.156 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.
| Received | Δ | Kind | Method | User-Agent |
|---|---|---|---|---|
| 2026-11-10 15:35:58.156 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=:X9LaQIsg/3+6CDV6eOxmbLs2CYu6C28TfVY0PYt1Wnb+M1iO58M7xxQfY5kELoHyodgXX4NfTGYdAzeMKy8rDQ==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794324958;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325018;nonce=\"BR2gtBwlEGT3Emhxs4FIDMkq4Y3gQgXpbc4_vuKvzl_HxCCe8mROZXI2OwfsnP_1ORTUBDqrhhPgFciQynycSw\";tag=\"web-bot-auth\"",
"traceparent": "00-89a76c451b617b2f7a025061b42b0e6f-aca4c91e6a96946c-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": "00-89a76c451b617b2f7a025061b42b0e6f-988604f1fc121215-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-11-10 15:39:11.566 UTC | +193410 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=:U1MYuK6s7xp7OUhHayhkGNI3lFO5tlgr0Wl6HXG/FR+OFZFAwhav0wU+Q7kefwW2u455X5xRV2G7Kx15EgusBQ==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794325151;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325211;nonce=\"A5GhePo1W9WycLwCQZyALDQPzh4KxibbI00lZgSPr-UPICdc-mxHHlT7YdSjIOkh7NyN58T_-VR8Dh2LbNqpIA\";tag=\"web-bot-auth\"",
"traceparent": "00-165f1ca0e6adc68202bbebf505a38591-ed3546edefd8cb45-01",
"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": "00-165f1ca0e6adc68202bbebf505a38591-900effe3d5dda1bf-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-11-10 15:39:12.624 UTC | +194468 ms | ES module | 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=:iP9waA4yPSO7YRsKLGyEE/Naz2mg75r/0smLlFvi0a2wfSEAHTcjOJIHx3P8ZlHtekTltgKetgZqJWFPzeBLAg==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794325152;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325212;nonce=\"t8fYq3X7cgVX6X3NA1gmVgPJgZnQAI56QyUlcoOQk376EkKQwpvxbpRNxBDUS48Hlklxmd8EybYzJEWvOK5vSA\";tag=\"web-bot-auth\"",
"traceparent": "00-96f5218bedd5aa4c0e2261839c809e92-c5878d34f7396204-01",
"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": "00-96f5218bedd5aa4c0e2261839c809e92-f5572eef47aecc9c-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-11-10 15:39:13.846 UTC | +195690 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=:HPHOYpbkzSeasgsGmAlX3NmxZghoYE7ql9PYv7wMbAP3bfVCM+Vl6KJFl42wDgkgk2pw4xwLGECNPfCR7fUNBg==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794325153;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325213;nonce=\"hSr5Bp_xZWKeJnzqyaa77lhS_4YTf6GMhaLMoEml3LB8v-RC4kQyBknUE9M2rw8x-_kgrTeCWx56n7U2MOYumQ\";tag=\"web-bot-auth\"",
"traceparent": "00-e422343ec71aacada04004eded8d5c3f-bd30ee6101d71f05-01",
"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-e422343ec71aacada04004eded8d5c3f-cc046a09cbb12a78-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-11-10 15:39:14.910 UTC | +196754 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=:LozRWrPXpTbFLIMIJwIDOHe1UPw2Hupvl6rW9uD2G4n3LO3fnVRnDtS7UeVX4amNHIiKN+xSM0vOMrrKQZiNDg==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794325154;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325214;nonce=\"wcgl3cHbhdyabO1pYg6hz-tCfs3mP7OV_03z7Fw2wKxfH6lcR1iuR5gWG2p7oOFEqHdiZL-ith2cqoQFnpNY6w\";tag=\"web-bot-auth\"",
"traceparent": "00-adfe10f457030272e9ca2649af6d4245-c9769ee86cbd2634-01",
"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-adfe10f457030272e9ca2649af6d4245-419629597f77b4dd-01",
"x-deno-userspace-tracestate": ""
}
|
||||
| 2026-11-10 15:39:16.082 UTC | +197926 ms | CSS | 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=:kWbSDGR2lsxU4hMCv1zRrfiOhaQAiWex6v2drfJzaGt1hMr5d8+Hh/H+A30CP+8vGMtwLPgPrLlNqymdQD9aCQ==:",
"signature-agent": "\"https://ahrefs.com\"",
"signature-input": "sig=(\"@authority\" \"signature-agent\");created=1794325155;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1794325215;nonce=\"Z7jJNTF1AjRGe1lwaw0PMvn3fMh__GuWjD71NaTatTEWRJMLK5fTeKGGStW-z_kt4xxSw74EO2Bxdy7h7pN1kg\";tag=\"web-bot-auth\"",
"traceparent": "00-f5f74be2ff06f7ccec34fabeaf330e91-9c0111230d2017c2-01",
"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-f5f74be2ff06f7ccec34fabeaf330e91-3d1dc0faaa151d62-01",
"x-deno-userspace-tracestate": ""
}
|
||||