1. 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).

  2. 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).

  3. 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).

  4. document api: featurepolicy

  5. featurepolicy api

  6. featurepolicy api: allowedfeatures

  7. featurepolicy api: allowsfeature

  8. featurepolicy api: features

  9. featurepolicy api: getallowlistforfeature

  10. htmliframeelement api: featurepolicy

  11. headers http header: feature-policy

  12. headers http header: feature-policy: accelerometer

  13. headers http header: feature-policy: ambient-light-sensor

  14. headers http header: feature-policy: autoplay

  15. headers http header: feature-policy: battery

  16. headers http header: feature-policy: camera

  17. headers http header: feature-policy: display-capture

  18. headers http header: feature-policy: document-domain

  19. headers http header: feature-policy: encrypted-media

  20. headers http header: feature-policy: fullscreen

  21. headers http header: feature-policy: gamepad

  22. headers http header: feature-policy: geolocation

  23. headers http header: feature-policy: gyroscope

  24. headers http header: feature-policy: layout-animations

  25. headers http header: feature-policy: legacy-image-formats

  26. headers http header: feature-policy: magnetometer

  27. headers http header: feature-policy: microphone

  28. headers http header: feature-policy: midi

  29. headers http header: feature-policy: oversized-images

  30. headers http header: feature-policy: payment

  31. headers http header: feature-policy: picture-in-picture

  32. headers http header: feature-policy: publickey-credentials-get

  33. headers http header: feature-policy: screen-wake-lock

  34. headers http header: feature-policy: speaker-selection

  35. headers http header: feature-policy: sync-xhr

  36. headers http header: feature-policy: unoptimized-images

  37. headers http header: feature-policy: unsized-media

  38. headers http header: feature-policy: usb

  39. headers http header: feature-policy: vibrate

  40. headers http header: feature-policy: vr

  41. headers http header: feature-policy: web-share

  42. headers http header: feature-policy: xr-spatial-tracking