# Page Not Found

The URL `deep-into-the-framework/authenticator-selection-criteria` does not exist.

You might be looking for one of these pages:
- [Authenticator Selection Criteria](https://webauthn-doc.spomky-labs.com/v4.0-erin-elderflower/pure-php/advanced-behaviours/authenticator-selection-criteria.md)
- [Authenticator Selection Criteria](https://webauthn-doc.spomky-labs.com/v4.0-erin-elderflower/symfony-bundle/advanced-behaviors/authenticator-selection-criteria.md)
- [Register Authenticators](https://webauthn-doc.spomky-labs.com/v4.0-erin-elderflower/pure-php/authenticator-registration.md)
- [Authenticate Your Users](https://webauthn-doc.spomky-labs.com/v4.0-erin-elderflower/pure-php/authenticate-your-users.md)
- [Authenticator Counter](https://webauthn-doc.spomky-labs.com/v4.0-erin-elderflower/pure-php/advanced-behaviours/authenticator-counter.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://webauthn-doc.spomky-labs.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://webauthn-doc.spomky-labs.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/v4.0-erin-elderflower/pure-php/advanced-behaviours/authenticator-selection-criteria.md`)
- Use `Accept: text/markdown` header for content negotiation