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

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 (51 months)

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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