Web platform features explorer - Fetch metadata request headers

The Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site, and Sec-Fetch-User HTTP headers provide extra information about the way a request was made, to help servers reject certain kinds of malicious requests.

Status

Limited availability

MDN documentation

Specifications

Fetch Metadata Request Headers, from Web Application Security Working Group (W3C).

Browser support

Chrome 80 Released on 2020-02-04
Chrome Android 80 Released on 2020-02-04
Edge 80 Released on 2020-02-07
Firefox 90 Released on 2021-07-13
Firefox for Android 90 Released on 2021-07-13
Safari ❌ See webkit.org/b/247697
Safari on iOS ❌ See webkit.org/b/247697

Baseline availability blocked since July 2021 by Safari (55 months)

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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