Don’t think it exists for the HTML document. HTTPS works fine for public & unconfidential things. For verifying page resources there is a newish feature: https:

Don’t think it exists for the HTML document. HTTPS works fine for public & unconfidential things. For verifying page resources there is a newish feature: https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity https://developer.mozilla.org/en-US/docs/Web/Security/Subres... .