Stealth Proving Grounds

requestAnimationFrame jitter locking, V8 JIT compilation fingerprinting, DOM timer entropy, VSYNC phase coherence, and DTC scheduler forensics.

FPU IEEE-754 mantissa entropy, thermal throttle detection, GPU VRAM bandwidth profiling, hardware concurrency topology, and battery discharge simulation.

TLS JA4 cipher fingerprinting, p0f TCP/IP stack analysis, HTTP/2 window sizing, WebRTC ICE hostname masking, and TCP RTT latency normalization.

VFS write latency curves, branch prediction timing, PRNG bias detection, IndexedDB iteration signatures, system color map spoofing, and pointer lock delta analysis.

WebGL shader compile latency, canvas bounding box geometry, CSS HDR gamut mapping, sub-pixel AA rendering tells, GPU pixel precision limits, and MediaStream constraints.

Widevine DRM robustness mapping, WASM SIMD profiling, capacitive touch physics, gamepad deadzone drift, speech utterance timing signatures, and cryptographic entropy validation.