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Security headers

Cross-Origin-Resource-Policy header

CORP lets you say which origins may load your resources, such as images and scripts.

Recommended value

Cross-Origin-Resource-Policy: same-origin

What it protects against

Other sites embedding your resources to read them through side channels.

Before you turn it on

Use same-site or cross-origin for assets that other sites or your CDN subdomains legitimately load.

How to add Cross-Origin-Resource-Policy

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