# Content Delivery Network (CDN) Status: public Confidence: medium (0.865) (verified) Last verified: 2026-05-28 Generation: human_only ## TL;DR A content delivery network caches and serves web content from distributed edge locations. Reliable public claims should focus on caching, geographic distribution, and HTTP cache directives. ## Core Explanation CDNs reduce origin load and can improve latency by serving cached assets from infrastructure closer to users. HTTP caching rules, including Cache-Control directives, determine when stored responses can be reused or must be revalidated. ## Related Articles - [HTTP](../http.md) - [Amazon Web Services (AWS)](../amazon-web-services-aws.md) - [Web Performance Optimization](../web-performance-optimization.md)