The closest to code-signing on the web is subresource integrity, a feature that adds an integrity hash to script and style tags.[0] There was a directive in con

The closest to code-signing on the web is subresource integrity, a feature that adds an integrity hash to script and style tags.[0] There was a directive in content-security-policy that allowed you to require them for everything on a page, but that looks like it's been depreciated.[1] [0] https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity https://developer.mozilla.org/en-US/docs/Web/Security/Subres... [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/require-sri-for https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Co...