Cloudflare

Cloudflare

 

Cloudflare provides network services such as DDoS mitigation, load balancing, firewall configuration, edge caching, and routing.  There are alternatives, but we've been using Cloudflare for a while.

If a site is not set to use either www or non-www, it can cause search engine indexing problems.
Prevent direct access to your site by forcing all traffic through Cloudflare.