What is the name of the domain?
What is the issue you’re encountering
I have no issues
What feature, service or problem is this related to?
I don’t know
What are the steps to reproduce the issue?
Could you please confirm if it is possible to enable Cloudflare caching for a website on shared hosting? Are there any specific requirements or limitations we should be aware of?
Hello! 
Its definitely possible to use Cloudflare on a shared host, VPN, dedicated host and even if you host your website at home. There’s no secret.
The only thing I recommend is to prevent Cloudflare bypass by using a secret Header and an Origin Certificate.
@cbrandt made this guide some years ago. You should take a look:
And here is a guide from Cloudflare to install Origin Certificate:
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