Internal capability probe
Device capability probe
Not a product page — an internal, unlinked test panel. Every row below calls a real browser API and measures what actually happens on this device/browser right now (no user-agent sniffing).
Tests
- IndexedDB roundtrip — CryptoKey + ArrayBufferQUEUED
Waiting…
- navigator.storage.persist() / persisted() / estimate()QUEUED
Waiting…
- Eviction marker — localStorage + IndexedDBQUEUED
Waiting…
- WebCrypto Ed25519 feature-detect (sign/verify, extractable:false)QUEUED
Waiting…
- RFC 8032 §7.1 — noble self-test (byte-parity gate)QUEUED
Waiting…
- RFC 8032 — noble ↔ WebCrypto byte-parity (byte-parity gate)QUEUED
Waiting…
- Service Worker registration + Push/Notification capabilityQUEUED
Waiting…
Current: unsupported
- platform
- …
- vendor
- …
- standalone (A2HS)
- …
- https
- …
- hardwareConcurrency
- …
- deviceMemory
- …