Website not works when CDN Activate

Hi dear
Dear when ever i’m trying to activate CDN then my website not works with mobile but on desktop works fine.
I also concern with server provider they told me it might be block from cloudflare.
Dear one more thing without cdn website speed is 10 to 12 sec but when i active CDN then it speed is 17sec. It’s not good
Please help me regarding these issues
Thanks

What’s the domain?

Dear domain is


Dear but right now i disable cdn because it’s slow down my website and as well as it’s not work on mobile

Sorry, if it’s not on Cloudflare, we can’t help you troubleshoot.

Very little of your site is hosted at your domain, so there’s not much Cloudflare can do to speed it up.