Sec-CH-UA-Mobile form factor contradicts the UA's mobile-ness
net.ch_ua_mobile_vs_ua · convicts
network, browserlayer
coherencecategory
2evaders caught
What it catches
Client-hint form-factor coherence; a mobile-UA scraper on a desktop stack sends Sec-CH-UA-Mobile ?0
Signals it reads
network.ch_ua_mobile_mismatch
How it fires
present
Evaders it caught 2
Bypassed 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.