The `X-Content-Type-Options: nosniff` header allows a server to assert that its resources may only be executed as script or applied as style if they're delivered with appropriate `Content-Type` headers.

Specification

Specification link


Final published standard: Recommendation, Living Standard, Candidate Recommendation, or similar final form

Status in Chromium

Blink>SecurityFeature


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owner

Last updated on 2021-09-24