ua-tracer by Paul Kinlan

ua-tracer

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

← all traces

Trace CWIiEUwb

First seen: 2026-06-22 12:53:15.844 UTC
User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1

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 12:53:15.844 UTC +0 ms homepage GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (20) 
{
  "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, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cache-control": "max-age=0",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "none",
  "sec-fetch-user": "?1",
  "traceparent": "00-5e4dbfa6c3a4a274dd9e914a0b2994fe-06e897da51214611-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-5e4dbfa6c3a4a274dd9e914a0b2994fe-c4964ec5daba7482-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.099 UTC +1255 ms font (HTML) GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-acba00b4df10bf7b3e51a3b0b106ecc2-eeda8a0d08ed3764-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-acba00b4df10bf7b3e51a3b0b106ecc2-baf29ab7064b5025-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.101 UTC +1257 ms CSS GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-51f3218939cf786796fe14f37d7851f0-410bd4210f463e13-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-51f3218939cf786796fe14f37d7851f0-3d56b438ae85360e-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.103 UTC +1259 ms preload (image) GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-75d88c67dafc9da83f7fa5dd158a45c1-c9604dbf734ed83d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-75d88c67dafc9da83f7fa5dd158a45c1-df87268b4c2cb1eb-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.103 UTC +1259 ms Reporting API report (POST) POST Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
request headers (14) 
{
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "content-length": "498",
  "content-type": "application/reports+json",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4, i",
  "traceparent": "00-bedf8fccc1516ca1b2c70077ac8fae2d-dd3e5d4c6575dfc5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-bedf8fccc1516ca1b2c70077ac8fae2d-1dd2e1b5050de8e8-01",
  "x-deno-userspace-tracestate": "",
  "x-report-body": "[{\"age\":0,\"body\":{\"blockedURL\":\"inline\",\"disposition\":\"report\",\"documentURL\":\"https://uatracer.com/\",\"effectiveDirective\":\"style-src-elem\",\"lineNumber\":8,\"originalPolicy\":\"style-src 'self'; report-uri /r/CWIiEUwb/csp-report; report-to ua-tracer\",\"referrer\":\"\",\"sample\":\"\",\"sourceFile\":\"https://uatracer.com/\",\"statusCode\":200},\"type\":\"csp-violation\",\"url\":\"https://uatracer.com/\",\"user_agent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36\"}]"
}
2026-06-22 12:53:17.105 UTC +1261 ms prefetch GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (19) 
{
  "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, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-purpose": "prefetch",
  "traceparent": "00-c01dbf61d7a540d55ac9fa749666dc9c-75a961f5b82b31bb-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-c01dbf61d7a540d55ac9fa749666dc9c-e8852984c1c06e19-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.401 UTC +1557 ms JS GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-952a1447c79016842686012d7468be02-98e14ee6615fe836-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-952a1447c79016842686012d7468be02-f40eb405256b1ba8-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.402 UTC +1558 ms image GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-78263bf1598b1dcbc95851bfa586b4a6-0cd47d0efdb50784-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-78263bf1598b1dcbc95851bfa586b4a6-aba08bce513d7124-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.405 UTC +1561 ms ES module GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-6c4987f65273f9463b7422976e932cc7-ee9e1e2d458572d4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6c4987f65273f9463b7422976e932cc7-3c698b9598177275-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:17.405 UTC +1561 ms iframe document GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (19) 
{
  "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, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-d007e576ce0e1a2363844625059c48a0-f43316ff6189203b-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-d007e576ce0e1a2363844625059c48a0-b649529f783d5a62-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:19.099 UTC +3255 ms web app manifest GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "manifest",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-7d9585015a04a36fb69a0287362779f9-824dfb9522350a62-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7d9585015a04a36fb69a0287362779f9-c1b7c674c3fe2e61-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:19.149 UTC +3305 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/CWIiEUwb/style.css",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-2a7fd36215012a2522033e1757df5ceb-749175a075d9109e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-2a7fd36215012a2522033e1757df5ceb-1c3d9637bd9d7ad8-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:19.898 UTC +4054 ms image inside iframe GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/r/CWIiEUwb/iframe",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-a90ad97b113696a930d84fdcf136916b-7377cf77c88da214-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a90ad97b113696a930d84fdcf136916b-c232fca4659af620-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:20.311 UTC +4467 ms JS executed beacon GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-642b5f56eabe38f05ba03412fbf6498f-edf7ca57c8334431-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-642b5f56eabe38f05ba03412fbf6498f-c3b096ff57ab7089-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:20.313 UTC +4469 ms CSS background-image GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/r/CWIiEUwb/style.css",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-9964053d035785b124cbf7ab6536c7fd-6aba8a9b4cb5fdda-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9964053d035785b124cbf7ab6536c7fd-a894181aca6de5ff-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:20.422 UTC +4578 ms CSS @font-face GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (19) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/CWIiEUwb/style.css",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-ec7e83a78f7b36d6cd35b3681aafd3c8-695e3fdab6f3dfd5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-ec7e83a78f7b36d6cd35b3681aafd3c8-87c3737b78e2e2d0-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:20.476 UTC +4632 ms ES module executed GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-1f636239f6c1ce80f4d090de4cff997e-7be38044885dfba4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-1f636239f6c1ce80f4d090de4cff997e-3327674be07f0b9a-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:21.893 UTC +6049 ms favicon GET Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (18) 
{
  "accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "host": "uatracer.com",
  "priority": "u=1, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-a6ef03636ccab0f291cfe6cddb85abc8-93615964decc7a7e-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a6ef03636ccab0f291cfe6cddb85abc8-94861575188ece7d-01",
  "x-deno-userspace-tracestate": ""
}
2026-06-22 12:53:22.489 UTC +6645 ms client timing POST POST Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1
request headers (21) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "content-length": "2376",
  "content-type": "application/json",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-ch-ua": "\"Google Chrome\";v=\"149\", \"Chromium\";v=\"149\", \"Not)A;Brand\";v=\"24\"",
  "sec-ch-ua-mobile": "?1",
  "sec-ch-ua-platform": "\"iOS\"",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-33143e76067c9dfa584b2b231774c4cd-308af3731639c29f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-33143e76067c9dfa584b2b231774c4cd-30163f9259498b1f-01",
  "x-deno-userspace-tracestate": ""
}

Client-side resource waterfall

Reported by performance.getEntriesByType('resource') after JS ran in the UA. This proves a real browser-grade engine, not just a downloader.

ResourceInitiatorStartDurationTimeline
style.css link 1268ms 2054ms
font.woff2 link 1268ms 1330ms
preload.png link 1269ms 1114ms
prefetch.png link 1271ms 1546ms
manifest.json link 1273ms 3378ms
iframe iframe 1579ms 2477ms
photo.png img 1579ms 2217ms
main.js script 1579ms 2756ms
module.js script 1580ms 1978ms
import.css css 3324ms 1159ms
js-ran.gif?t=1782132799980 img 4484ms 1100ms
css-bg.png css 4486ms 1574ms
css-font.woff2 css 4486ms 1421ms
module-ran.gif?t=1782132800098 img 4603ms 1195ms