How do CDNs improve performance for static websites?

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Content Delivery Networks (CDNs) enhance the performance of static websites by strategically caching frequently accessed digital content at geographically distributed edge locations, also known as Points of Presence (PoPs). When a user requests content, such as HTML files, CSS stylesheets, JavaScript files, images, or videos, the CDN directs the request to the nearest PoP. This proximity significantly reduces latency, as the data travels a shorter distance compared to fetching it from the origin server. For instance, a major news organization like The Washington Post, which experiences over 83 million monthly visitors, relies heavily on CDNs to efficiently deliver its static content to a global readership. By mirroring static assets across these edge caches, CDNs ensure that users receive content from a server geographically closer to them, leading to faster load times and an improved browsing experience. This architecture is particularly effective for websites that primarily serve static content without complex interactive functionalities.

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How do CDNs improve performance for static websites?

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