CloudFlare is a proxy service which allows using a wide range of functions to make websites run faster and safer. Currently, you can use functions available in a free version of Cloudflare.
The main functions of a free version of Cloudflare:
- increase website responsiveness;
- checks users who send requests to the website. E.g. their IP addresses, requested resources, the frequency of requests, etc. Therefore, Cloudflare protects websites from different threads, allows decreasing the usage of website resources;
- if the server is not accessible, Cloudflare allows users to access it using a static copy from the Cloudflare cache;
- displays statistics of Cloudflare usage for a domain.
For more information please refer to its official website.