What is CDN


A CDN (Content Delivery Network) or Content Delivery Network is an interconnected system of computer servers spread over several parts of the world. These servers are designed to deliver web content quickly and efficiently to users, regardless of their geographic location. CDNs work by caching copies of content such as web pages, videos, music, or software on the server network. This reduces the load on individual servers and helps improve website performance and responsiveness for users.

Advantages of CDNs

  • CDNs can significantly improve the speed and quality of web content delivery to users. This is achieved by distributing the load across multiple servers, which helps reduce latency and provide a more reliable service.
  • CDNs also make it easier to manage content delivery across multiple regions by providing a global network of servers that can be used for static and dynamic content.
  • Another advantage of CDNs is their ability to improve website security by providing robust content filtering features. This helps protect websites against malicious attacks and exploits, reducing the risk of downtime or data loss.
  • In addition, CDNs can help improve web positioning by optimizing the delivery of web pages for mobile users. Many CDNs offer tools that help tailor content to different screen sizes and improve loading speed for mobile users, which can be beneficial for businesses that want to reach a wider audience.

CDN Examples

Among the main CDN at the municipal level we can mention:

  • Akamai
  • Cloudflare
  • Fastly
  • Amazon CloudFront
  • CDN de Microsoft Azure
  • Google Cloud CDN
  • IBM Bluemix Content Delivery Network (CDN)
  • cdn77
  • CDN de Level 3 Communications
  • StackPath

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