stale-engine

Its User-Agent claims a current version but the engine feature-set is from an older build — a stale template.

botverdict

1.00score

15/185checks fired

Convicting tells 8

br.cdp_runtime_enabledCDP Runtime.enable detected (prototype-chain Proxy ownKeys trap)

br.ch_he_headlessUA-Client-Hints high-entropy brand list reveals HeadlessChrome

br.ch_he_version_vs_uaUA-CH high-entropy Chrome version contradicts the UA-string version

br.engine_feature_vs_uaJS engine lacks an API its claimed Chrome version shipped — stale template

br.no_chrome_objectChrome User-Agent but window.chrome is absent

br.permissions_anomalyNotification.permission contradicts the Permissions API state

br.webdriver_getter_tamperedNavigator.prototype.webdriver getter is non-native (prototype patch)

net.ch_ua_version_vs_uaSec-CH-UA brand version disagrees with the UA-string Chrome version