Test security features including Permissions Policy, cross-origin isolation, and Storage Access API.
Test loading HTTP resources (images, iframes, scripts) on an HTTPS page.
Test Permissions Policy online — check which browser features are allowed or blocked by Feature-Policy and Permissions-Policy headers.
Test cross-origin isolation — check COOP, COEP headers, and SharedArrayBuffer availability in your browser.
Test the Storage Access API: check and request third-party storage access.
Test WebAuthn online — check passkey support, FIDO2 platform authenticator, and credential management API in your browser.
Third-party cookie test — check if your browser blocks third-party cookies, test CHIPS support and storage partitioning.
Test Privacy Sandbox APIs — check Topics API, Protected Audience, Attribution Reporting, Shared Storage, and FedCM support.
WebRTC leak test — check if your real IP address is exposed through WebRTC, even when using a VPN or proxy.
Test Referrer-Policy — check how your browser handles referrer headers and their impact on privacy.
Test Content Security Policy online — check CSP header enforcement, violation reporting, and Reporting API support.