CloudFlare is not adapted for the domestic market. Besides, there are problems with the search engines and the way they perceive the website. Cloudflare blocks access to robots.txt - a loss of 1/3 of free traffic. As already mentioned, the speed of distribution of content.
It makes sense to turn to the market leaders CDN is Akamia
. Rent a server in the cloud by Selectel
will close the question, they signed with both these suppliers. A worthy competitor Servers.ru
. But Selectel for the same services will lower the price.