Web features explorer

Signature-based resource integrity

Limited availability

Signature-based resource integrity verifies a script's provenance by checking that the resource has been signed with a trusted key given by the <script> element's integrity attribute.

Browser support

  • Chrome 141 Released on 2025-09-30
  • Chrome Android 141 Released on 2025-09-30
  • Edge 141 Released on 2025-10-03
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported

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MDN documentation

No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.