What are CDNs, how do they work and why are they needed?

The article on Content Delivery Networks (CDN), published by Google, explains how CDNs can enhance website performance and their impact on overall user experience. A CDN is a distributed network of servers that store copies of a website's content in various geographic locations. This means that when a user attempts to access a site, the data can be delivered from the nearest server, significantly reducing loading times. The article also discusses performance optimization, which is a critical element in maintaining competitiveness on the internet. An important concluding point is the analysis of how CDNs can improve website reliability by reducing the load on primary servers and ensuring content availability in case of failures. Overall, this information is invaluable for anyone managing a website and looking to better understand the benefits of using a content delivery network.