After create the CDN resources (here) , the CDN resources now is ready to use.
If the website is a static website, there is 2 method to enable CDN.
1) Replace the image url
If previous website source code as below
<img src="http://URL/images/logos/big.jpg" alt="" /> <img src="images/logos/big.jpg" alt="" />
It need to replace as below
<img src="http://cdn.youdomain/images/logos/big.jpg" alt="" />
2) If webserver do have Rewrite module enable, the rules as below could be apply
RewriteEngine ON RewriteCond $1 !^.swf$ [NC] RewriteCond $1 “\.(jpe?g|gif|png|bmp|ico|js|css|pdf|docx?|xlsx?|ppt|rar|zip|tar|gz|tgz|bz2|flv|avi|mov|wmv|mp3|wav|xml|txt)$” [NC] RewriteRule ^(.*) http://cdn.yourdomain/$1 [L,R]