It makes sense to use a CDN service only if your WordPress site uses a lot of images, file downloads, or videos.
You can enable it via our Dashboard very easily:
To enable the CDN service
Select the Websites menu option from the Dashboard sidebar.
Click on your website's name to go to the website overview.
Verify the environment to apply the change, by checking out the currently selected environment in the navigation bar. CDN service can be enabled for the Production environment only.
Click on the Settings menu.
Switch on CDN in the CDN section. In order to be able to enable the CDN service at least one, non redirect, domain must be added to your website. A confirmation modal will appear to verify the status update.
Click Enable CDN to enable CDN for all non-redirect domains in the website.
You can also enable or disable the CDN service for a single domain.