WebGPU adapter GPU family contradicts the WebGL renderer (spoofed renderer on real hardware)
br.webgpu_vendor_vs_webgl · convicts
browserlayer
coherencecategory
What it catches
WebGPU headful counterpart: a real GPU's WebGPU adapter family must match the WebGL renderer; a faked WebGL renderer on real hardware is exposed by WebGPU (needs a GPU-equipped target to fire)
Signals it reads
browser.webgpu_vendor_mismatch
How it fires
present
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.