ua-tracer by Paul Kinlan

trace KCJMhCwP

ua-tracer

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

← all traces

Trace KCJMhCwP

First seen: 2026-08-05 14:53:08.365 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
2026-08-05 14:53:08.365 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=:r+rBBsThYDfglGQqwMX2WqG//EqT/zhgpQrY8ShmBnieObU90IlM6vx/Mr48490is3DI+ozO/xlDxsEj2ennBw==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941588;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941648;nonce=\"DKg66mVZ4OMFdo14VXeD8JCIL9R7YU-Ys5FJQBPgw3cktNbis7Sbk6G01p6Kw18_S_O-VeE9ODMa_N8KVYRF6A\";tag=\"web-bot-auth\"",
  "traceparent": "00-3aa1ad0db734dda624ae87d03e0a561c-fe127d27b5b9b1f1-01",
  "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": "00-3aa1ad0db734dda624ae87d03e0a561c-49c0c9179fd209d8-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-05 14:53:12.448 UTC +4083 ms iframe document GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (14) 
{
  "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",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-3f81f7b88242463bb99ecbf206bfb6dd-15a9d985dc02423b-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:12.451 UTC +4086 ms CSS GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (13) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-bb2f477a3a7d61f2d176ac420b58ed44-dda0abde022a7064-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:12.451 UTC +4086 ms ES module GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-3c56d99b4ccad3310245b869342e7182-c41830cf2d76bf54-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:12.452 UTC +4087 ms JS GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (13) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-ea9a611932bc061172af9442a1779c82-5ec1ef5624bb6a73-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:12.468 UTC +4103 ms font (HTML) GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=1",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-1e1a845908a82f8e9bae7ae9ae888f8f-beb398e76c9c3dbb-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:13.772 UTC +5407 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (13) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/KCJMhCwP/lLRzKhT0/style.css",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-31812fb5b2fe8e670b68ffa3fe5934e1-e313927f484f5883-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:14.847 UTC +6482 ms CSS @font-face GET Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (14) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=0",
  "referer": "https://uatracer.com/r/KCJMhCwP/lLRzKhT0/style.css",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-47297d161e9a6994f90ae67f48837dd1-f1f824eb329fdd1c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:16.173 UTC +7808 ms client timing POST POST Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
request headers (16) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "content-length": "2207",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=KCJMhCwP",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "traceparent": "00-20e172f0177bf26a23c51ed207422bb5-0ff02b014b3fc99a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:49.339 UTC +40974 ms image 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=:KsjI11LsSQy2QNUoDQh/R6zdHDR/I0VOf9TkeSM4dLUwmpY8ITvZqbYtOYeCaJwDrLgkdZqwPqHoVhK2v64MDA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941629;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941689;nonce=\"_2QTy9aYSsTYU1bdLEJ1GYEE36ZTNJZ9ZqtiR-V4gLyr-VsAMrZpjyLYOT0dhFSQja3F5jzd2kSDgOzb5in8TQ\";tag=\"web-bot-auth\"",
  "traceparent": "00-5ba0735b8832d9cc215ee041755a329a-a689060ff4f0dd24-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:50.626 UTC +42261 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=:Wyc2acxiLAPNkjtq/4MsIfTUyozlcOQqNflaBcKi/c6bwr52f0ngFYxsTz8UXqfuePr8g1M/20TL8HHEgVsWDA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941630;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941690;nonce=\"pvtUtiRohCLqNnfwVER3mHXquN7vZs2zd2L-tWTpiIPbBvJWjO4TyIe2_52uFpJkebr2-lc-SJDgZ0y0n980BA\";tag=\"web-bot-auth\"",
  "traceparent": "00-6e7c839bd419e64ecf58e64874246f2d-a01facc58f3d01fe-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:55.717 UTC +47352 ms Open Graph image 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=:m4HFxgT3hsKHoS+DZlYlUcLWAirObtxg4Aypn/b7nqTY9weIy/zj9ub/gXiG20lsP1IT9i5Q4+tnTfYxvjEdDA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941632;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941692;nonce=\"ApmeyvXFM5W_yjngfjDyewvQWfvACBbWysrTL9MqzjAlZvHlYuLy2SkaLv_yL6MAlmABQ4EKqm83F-S2c3e4MA\";tag=\"web-bot-auth\"",
  "traceparent": "00-00767c1cb6e86fd2f57eaab9a7cc0509-5d5f9d21ac100976-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:57.340 UTC +48975 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=:ObvmvkbkEnIbQ39obMnrWnr+8sItLpUyCdqhxVKoWFmkoWXkdLjBt83gVndAs4jPNSl++5ZdmolgsNCGU+hUDA==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941637;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941697;nonce=\"2kH4z6dgL17lfka6roRbrwvGVayx1JsNO0oWV2HbNbGPryaN6TR6v0JpCwnPCK-DUP_oIgrAP7SCw_uAqEeLtg\";tag=\"web-bot-auth\"",
  "traceparent": "00-ad2548b19c97d76aac89126bf46bc50d-75d766f13d80f1d2-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 14:53:58.624 UTC +50259 ms JS 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=:DerpELN+nRBrGKgLHbQqwF8mlqTPWAKsU7hjWuAc7NxqwUdJVr32523oUyRdW5IrEbOYZvDVvXPUuNXeMyruAg==:",
  "signature-agent": "\"https://ahrefs.com\"",
  "signature-input": "sig=(\"@authority\" \"signature-agent\");created=1785941638;keyid=\"e3vpiy0B6M1Wdxnizw3dqRSgpqS6SXM2qiQ6HtUwZ5g\";alg=\"ed25519\";expires=1785941698;nonce=\"_yx6zvWL-gOEEUdZZ5SbgfMOianGWmHpIi8TRYgr9ci2yI4osH37qqO5delWzhx2h7SiqJyA4Jmn9GzBsH80vw\";tag=\"web-bot-auth\"",
  "traceparent": "00-368d27d3ea61c7c8cf26fc77d2a31bd8-ff873767e6a6705d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 16:19:38.217 UTC +5189852 ms iframe document GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (12) 
{
  "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",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-b5990562ec9cb5c25e8060119b48b6d8-cb3ef1d1e58d1a79-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-05 16:28:39.034 UTC +5730669 ms CSS @font-face GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (12) 
{
  "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",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-4bc211e558777e64b562f7805ea81ff5-1d5a63178ae557ea-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-05 16:38:47.521 UTC +6339156 ms font (HTML) GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (12) 
{
  "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",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-667869a45f94d93e1bd8dc3cc1cc2ef4-30be3c0189abf86c-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-06 10:48:37.485 UTC +71729120 ms JS GET Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
  "traceparent": "00-0406bb1ff1cd371736035035357cd379-e46255805b95c4ae-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0406bb1ff1cd371736035035357cd379-17f039a552d878ad-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-06 10:48:38.465 UTC +71730100 ms ES module GET Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)
request headers (9) 
{
  "accept": "*/*",
  "accept-encoding": "gzip,deflate,br",
  "host": "uatracer.com",
  "traceparent": "00-38bbb1cf9b1a2491817cb198aae0e06a-17080c1d0bb73a5d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (compatible; jscrawler/0.1; +https://github.com/)",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-38bbb1cf9b1a2491817cb198aae0e06a-068f58f7c611400a-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 07:47:25.473 UTC +147257108 ms preload (image) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-1d02caf27b32aedf3765e99aff30a6f8-4b40f11fda933214-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-1d02caf27b32aedf3765e99aff30a6f8-4823328b9e2b1abb-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 10:23:06.058 UTC +156597693 ms image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-cbadb9111065dfa460c6ea7de39007ad-787290c931d537cd-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-07 13:51:33.973 UTC +169105608 ms prefetch GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-b2f94b65e9c52637dff0e5bcf173a1a9-909e296056d02f31-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-b2f94b65e9c52637dff0e5bcf173a1a9-51c07a657d848f04-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 13:52:01.905 UTC +169133540 ms JS executed beacon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-662d502ec29e68412e3eccb58a4d5980-c6a27f8c41379881-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-662d502ec29e68412e3eccb58a4d5980-bb30454b4d710a27-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 14:35:29.990 UTC +171741625 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-87fc49929b0dd951821edf5313c6bfac-c7f8886a69081b9f-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-87fc49929b0dd951821edf5313c6bfac-6406cce9f70d57fe-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 15:01:17.804 UTC +173289439 ms image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (8) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-063be2f4f2c6cbd63c499b91cec09df2-c34f6b1d52f03611-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-07 15:01:17.832 UTC +173289467 ms preload (image) GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (8) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-00d734ef19fc36ad8ceb0e6f297a2aa0-dcbe747c4ec94558-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net"
}
2026-08-07 15:01:17.853 UTC +173289488 ms JS executed beacon GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-96c6afe0dc4d3a6b2caf4179e333e0b6-301a0a919b24e639-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-96c6afe0dc4d3a6b2caf4179e333e0b6-a59298f489fc767a-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 15:01:17.856 UTC +173289491 ms prefetch GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-35f3013276bf2ed150f299ce1b6489d0-e981393ac0a135b7-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-35f3013276bf2ed150f299ce1b6489d0-f76ceb9bfbc4ddfe-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 15:01:17.916 UTC +173289551 ms ES module executed GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-36f7282957ba10b53ba7dfd12cfc6480-486de2bdba8f727a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-36f7282957ba10b53ba7dfd12cfc6480-dc3e1567407d3b44-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 15:01:17.968 UTC +173289603 ms CSS background-image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
request headers (10) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-0b80bd0f3878efe2ab863040e38344cc-0fc5d2f4cc969b3a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36",
  "via": "HTTP/1.1 ams.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0b80bd0f3878efe2ab863040e38344cc-ef2b889235cb981a-01",
  "x-deno-userspace-tracestate": ""
}
2026-08-07 19:20:25.952 UTC +188837587 ms ES module executed GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-9e3d9bf744a11215e0be353f3f145e79-9e988e573c0cc418-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-08-07 23:28:09.708 UTC +203701343 ms CSS background-image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-21c87d2b28d23989ca67243abd4cefc5-2b67e653d140a898-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-21c87d2b28d23989ca67243abd4cefc5-99266bd4824f161e-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 4ms 2173ms
font.woff2 link 4ms 2521ms
preload.png link 4ms 3ms
photo.png img 4ms 3ms
module.js script 4ms 1819ms
main.js script 4ms 2856ms
prefetch.png link 6ms 2ms
iframe iframe 7ms 1560ms
import.css css 2178ms 1013ms
js-ran.gif?t=1785941594736 img 3192ms 0ms
css-bg.png css 3193ms 10ms
css-font.woff2 css 3193ms 778ms
module-ran.gif?t=1785941594747 img 3203ms 1ms