The acronym CDN stands for Content Delivery Network. A CDN is a system of distributed servers that cache and deliver web content to users based on their geographic location. By minimizing latency and ensuring faster load times, CDNs enhance network performance and reliability, particularly for high-traffic sites. They also distribute the load of content delivery, reducing website congestion and preventing server overload. Furthermore, CDNs provide security features such as DDoS protection and improved compliance with data privacy regulations, making them an essential component of web infrastructure.