WebAuthn platform authenticator detection
Detects whether a user-verifying platform authenticator is available.
Support in current browsers
Checked against the current browser versions recorded in MDN browser data 8.0.7.
| Browser | Minimum | Outcome | Reason |
|---|---|---|---|
| Chrome | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Edge | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Firefox | 152 | Works with limits | Every required mapped feature is available, but BCD records one or more qualifications. |
| Safari | 26.5 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Chrome for Android | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Firefox for Android | 152 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Safari on iOS | 26.5 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Android WebView | 150 | Not supported | At least one required mapped feature is not available at this browser baseline. |
| Samsung Internet | 29.0 | Works | Every required mapped BCD feature is available without a recorded qualification. |
What this feature can and cannot do
Helps protect against
- Phishing-prone password dependence
- Credential reuse
Does not guarantee
- Account recovery weaknesses
- Server verification defects
- Authenticator policy
What you need before using it
- A complete WebAuthn registration and authentication flow
Fallback to keep in place
Offer standards-based roaming authenticators and a carefully protected recovery path.