Cloudflare is a website security service with, DDOS Protection, Free SSL, Hiding Personal details of domain registration, increasing site speed and much more.
For activating Cloudflare on your site follow these simple steps –

1. Go to cloudflare.com and create an acc. with your basic details and verify your email address.
2. After that type your site URL there and select the 0$ free plan.
3. In the next step, you have to type DNS. And type your Cpanel IP address there. For connecting it to your hosting.
4. At the next step, Cloudflare will give you his DNS nameserver which you have to place in your domain DNS settings.
5. After that Cloudflare shows a quick step guide. Where you can select free SSL, HTTPS redirects, site speed optimization, minify HTML, CSS & JavaScript.
6. Select all the things properly and click on the finish button.
7. Congratulations Cloudflare is successfully active on your site.