Subresource Integrity is Missing
Subresource Integrity (SRI) is a security feature that enables browsers to verify that resources they fetch (for example, from a CDN) are delivered without unexpected manipulation. It works by allowing you to provide a cryptographic hash that a fetched resource must match. Moilla
Add a base64-encoded hash of the resource in the value of the
integrity attribute of the
<link> element. You can ask the resource provider for the hash of the file or calculate it on your own. Please references for details.