in my case(Askweb.ir) I put the site on 000webhost.com free hosting. then set the domain to cloadflare free CDNs and spend less than 5 minutes configuring it.
now I experience great speed and security with minimum cost.
specialy because my site doesn't need user login to ask question before starting cloadflare I would get over 20 spams a day that it is fixed now. so I see no need for apps and etc...
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