[peanut-walrus]

Cloudflare is widely used because it's the easiest way to run a website for free or expose local services to internet. I think for most cloudflare users, the ddos protection is not the main reason they're using it.

[miyuru]

I am using cloudflare because the origin servers are IPv6 only.

[bo1024]

Cloudflare hosts websites for free?

[peanut-walrus]

Yup, the free plan is quite generous.

[numlock86]

Yes, they have free plans.