Content Delivery Networks for Global Reach
Content Delivery Networks for Global Reach Content Delivery Networks (CDNs) help websites reach users faster by placing copies of content near where people browse. With a global network of edge servers, CDNs reduce travel distance, balance load, and improve reliability for visitors in different regions. They are especially useful for sites that serve images, videos, scripts, and software downloads. How they work: when a user requests a file, the CDN serves it from the closest edge node if a copy is cached. If not, the edge node fetches it from your origin server, caches it for a defined time, and serves it to subsequent users. Cache rules and headers control freshness, while purge tools let you invalidate a change quickly. Many CDNs also offer edge computing features, so small programs can run near the user to personalize content without touching your origin. ...