Before you take any steps please back up your files and database. The plugin works only with default CMS pattern. If you manually changed CMS patterns, the plugin might not help you. Login to your Drupal site.
Login to your Drupal site
Choose Modules in your Administration bar on top of the page.
Modules in your Administration bar
As soon as you have downloaded CDN Module from Drupal.org, choose Install new module and download .zip.
CDN Module
Upload CDN Module from your browser and install it.
Upload CDN Module
If the installation was successful, you will see the following.
successful
As soon as the CDN Module is successfully installed, get back to the modules list and scroll down to CDN. Choose Enable and Save configuration.
get back to the modules list
Select Configure in the CDN Module.
Select Configure in the CDN Module
Change the CDN module status to Enabled and save the setting by hitting the Save Configuration button.
Change the CDN module status
Choose the “Details” tab on the right of the screen.
Details
For the Mode choose Origin Pull and enter CNAME specified in the Gcore Customer Portal. Ensure that your CNAME record has been configured in a proper way before using it for integration.
Mode choose
Scroll down and choose Far Future expiration, then click Save Configuration.
Far Future expiration
These steps are needed if you are going to deliver your CDN content via HTTPS. Choose the Other tab on the right of the CDN Module configuration screen.
Other
Enable HTTPS to support SSL.
Enable HTTPS to support SSL.
Integration has been completed! We highly recommend you to check the HTML code of your web page to ensure that URLs have been rewritten properly from your original ones to CNAME from the Gcore Customer Portal. To do that press F12 or open Developers Tools in your browser, choose the Network tab and refresh the page. All static files should have your CNAME in URLs.