Content Delivery Network / Development Terms Content Delivery Network A content delivery network, or CDN, is a system of distributed servers that deliver web content to users based on their geographic location. This setup improves website performance by storing and serving static assets such as images, videos, stylesheets and JavaScript files from servers that are physically closer to the user. The result is faster load times, smoother browsing and better user experience across regions. When someone visits a website that uses a CDN, their request is directed to the nearest edge server rather than the website’s central or origin server. This reduces latency, saves bandwidth and lowers the load on the main server. CDN providers such as Cloudflare, Amazon CloudFront, Akamai and Fastly are commonly used to support websites, applications and digital services of all sizes. CDNs are especially useful for high-traffic sites, global audiences and content-rich platforms. In addition to improving speed, CDNs offer increased reliability, uptime and protection against traffic spikes and malicious attacks. They act as a security layer by helping to block threats such as distributed denial of service attacks. For marketing teams and developers, CDNs also support search engine optimisation and reduce bounce rates by ensuring content is consistently accessible. Whether you are running a campaign landing page, a nonprofit resource hub or a SaaS dashboard, a CDN helps ensure fast, reliable and secure access to your content.