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security · security.referrer-policy.missing

Missing Referrer-Policy header

Referrer-Policy controls how much of your URL leaks to other sites in the Referer header.

Why it matters

Referrer-Policy controls how much URL info leaks to other sites in the Referer header.

Example fix

Referrer-Policy: strict-origin-when-cross-origin

Authoritative reference

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy

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