How does CloudFlare's technology work?

CloudFlare’s global network has 14 points of presence around the world. Once a website is part of the CloudFlare community, its web traffic is routed through CloudFlare’s network. CloudFlare offers many performance and security services including CDN (content delivery network), web content optimization and a web security layer.


Performance service: CloudFlare’s network stores a copy of static files closer to web visitors, which means they are delivered more quickly than before. This is similar to a CDN. CloudFlare caches resources such as CSS, JavaScript and images. CloudFlare’s technology automatically decides which resources to cache based on file extension names so there is zero configuration. CloudFlare also does compression for every request.

Security service: CloudFlare’s network blocks threats and limits abusive bots before they hit the server, which means less wasted bandwidth and server resources. CloudFlare’s network gets continually smarter with each new website.

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