Answer by mralexandrelise for was blocked due to MIME type (“text/html”) mismatch (X-Content-Type-Options: nosniff)

This kind of error comes from what is known as CSP (Content Security Policy) configured on your web server. If you don't know what it is. Please contact your hosting provider. For any information you can read this article on MDN (Mozilla Developer Network)

Take care. Hope it helps.