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.
Step 1: Login to your Wordpress blog at yoursite.com/wp-admin and click Enter.
Step 2: Add new plugin in the Plugins section.
Step 3: Find the W3 Total Cache plugin using the search field of the Plugins section.
Step 4: Install the W3 Total Cache plugin.
Step 5: Enable the installed plugin by clicking Activate plugin
Step 6: In the Performance section choose General Settings.
Step 7: In the General Settings section scroll down to the CDN section. Tick Enable field. In CDN Type choose Generic Mirror. Then click Save all settings.
Step 8: After having settings accepted, at top of the General Settings section a warning of incorrect CDN settings will appear. Click Specify It Here in this warning message.
Or go to the CDN section of the Performance menu.
Step 9: Type in your CDN Domain ot the CNAME that you specified in the SkyparkCDN control panel in Replace Site's Hostname With. Ensure that your CNAME record has been configured in a proper way before using it for integration. Then click Save all settings.
Integration has been completed! We highly recommend you to check the HTML code of your webpage to ensure that URLs have been rewritten properly from your original ones to CNAME from the control panel.
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.