Document Policy
A mechanism that allows developers to set certain rules and policies for a given site. The rules can change default browser behaviour, block certain features or set limits on resource usage. Document Policy is useful both for security and performance, and is similar to [Permissions Policy](/permissions-policy).
Feature Policy
This specification defines a mechanism that allows developers to selectively enable and disable use of various browser features and APIs. Feature Policy is deprecated and has been replaced with [Permissions Policy](/permissions-policy) and [Document Policy](/document-policy).
Permissions Policy
A security mechanism that allows developers to explicitly enable or disable various powerful browser features for a given site. Similar to [Document Policy](/document-policy).
headers http header: permissions-policy
headers http header: permissions-policy: accelerometer
headers http header: permissions-policy: ambient-light-sensor
headers http header: permissions-policy: attribution-reporting
headers http header: permissions-policy: autoplay
headers http header: permissions-policy: bluetooth
headers http header: permissions-policy: browsing-topics
headers http header: permissions-policy: camera
headers http header: permissions-policy: compute-pressure
headers http header: permissions-policy: cross-origin-isolated
headers http header: permissions-policy: display-capture
headers http header: permissions-policy: document-domain
headers http header: permissions-policy: encrypted-media
headers http header: permissions-policy: fullscreen
headers http header: permissions-policy: geolocation
headers http header: permissions-policy: gyroscope
headers http header: permissions-policy: hid
headers http header: permissions-policy: identity-credentials-get
headers http header: permissions-policy: idle-detection
headers http header: permissions-policy: local-fonts
headers http header: permissions-policy: magnetometer
headers http header: permissions-policy: microphone
headers http header: permissions-policy: midi
headers http header: permissions-policy: otp-credentials
headers http header: permissions-policy: payment
headers http header: permissions-policy: picture-in-picture
headers http header: permissions-policy: publickey-credentials-create
headers http header: permissions-policy: publickey-credentials-get
headers http header: permissions-policy: screen-wake-lock
headers http header: permissions-policy: serial
headers http header: permissions-policy: storage-access
headers http header: permissions-policy: usb
headers http header: permissions-policy: web-share
headers http header: permissions-policy: wildcards in permissions-policy allowlist origins
headers http header: permissions-policy: window-management
headers http header: permissions-policy: xr-spatial-tracking
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