User-Agent advertises a headless browser
br.headless_ua · convicts
browserlayer
automationcategory
42evaders caught
What it catches
HeadlessChrome UA token
Signals it reads
browser.ua_is_headless
How it fires
present
Evaders it caught 42
accept-lang-spoof audio-noise audio-readback-spoof brave brave-fake brave-fake-proxy canvas-geometry-spoof canvas-lie canvas-spoof cdc-leak chrome-clone-1 chrome-clone-2 coalesce-proxy coalesce-spoof csp-bypass domrect-spoof electron-leak honeypot human-mouse keystroke-human lang-list-spoof lang-spoof linear-bot measuretext-spoof naive-tz-spoof native-spoof nodriver patchright pydoll rebrowser renderer-spoof screen-impossible selenium-driverless stealth-naive trace-replay tz-spoof undetected webgl-renderer-spoof worker-proxy worker-proxy-fix worker-spoof worker-wrapBypassed by 10
Frontier evaders that reach the detector uncaught (scored only suspicious, defeating every convicting tell) — this check is not one that stops them. The red-team frontier this detection still has to convict.