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Sec-Fetch-Site

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The Sec-Fetch-Site fetch metadata header indicates the relationship between a request initiator's origin and the origin of the resource.

Syntax

Sec-Fetch-Site: cross-site
Sec-Fetch-Site: same-origin
Sec-Fetch-Site: same-site
Sec-Fetch-Site: none

Values

cross-site
same-origin
same-site
none
This request does not relate to any context like site, origin, or frame. This can happen when user had initiated this request by, e.g. directly entering a URL in the address bar, opening a bookmark, or draging-and-dropping a file into the browser window.

Examples

TODO

Specifications

Specification Title
Fetch Metadata Request Headers The Sec-Fetch-Site HTTP Request Header

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Sec-Fetch-Site 76 79 No No 63 No
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
Sec-Fetch-Site 76 76 No 54 No No

See also

© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-Fetch-Site