Cross-Origin-Resource-Policy

The HTTP Cross-Origin-Resource-Policy response header conveys a desire that the browser blocks no-cors cross-origin/cross-site requests to the given resource.

Syntax

Cross-Origin-Resource-Policy: same-site | same-origin | cross-origin

Examples

The response header below will cause compatible user agents to disallow cross-origin no-cors requests:

Cross-Origin-Resource-Policy: same-origin

For more examples, see https://resourcepolicy.fyi/.

Specifications

Specification
Fetch Standard
# cross-origin-resource-policy-header

Browser compatibility

BCD tables only load in the browser

See also