Sec-Fetch-Site Header

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About

The HTTP Sec-Fetch-Site fetch metadata request header indicates the relationship between a request initiator’s origin and its target’s origin1. It is a Structured Header whose value is a token with possible values cross-site, same-origin, same-site, and none.2.

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References

  1. MDN. “Sec-Fetch-Site header”. Available at: https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers#fetch_metadata_request_headers . (Accessed: [2025-05-20 Tue 05:29]). ↩︎

  2. MDN. “Fetch metadata request headers”. Available at: https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Site (Accessed: [2025-05-20 Tue 05:29]). ↩︎

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