spec checked

W3C Mixed Content

Specifies mixed-content risks, blocking behavior, warnings for insecure form submissions, user ability to abort unsafe submissions, and accessible user controls for overrides.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Security warning Choose security warning when the system has a security-risk signal and proceeding could expose credentials, personal data, payment data, device integrity, account access, or organization assets. The warning appears before the risky navigation, submission, download open, file preview, install, or sensitive account action completes. Supports warnings and abort behavior for insecure form submission and accessible user controls for overrides.

Evidence Role

This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: World Wide Web Consortium. Last checked: .