Notice: Often, after you copy the certificate and key from your Cloudflare dashboard and paste it into your relevant documents within the server, blank traces are inserted. Nginx will take care of these certificates and keys as invalid, so make sure there are no blank traces inside your files. https://directadminmigration00999.blogrelation.com/32465057/the-smart-trick-of-magento-2-optimization-that-no-one-is-discussing