Content Delivery Networks for Global Performance

Content Delivery Networks for Global Performance Content Delivery Networks (CDNs) place copies of your files on servers around the world. The goal is simple: bring content closer to users so pages load faster. A CDN also helps handle traffic bursts and provides extra resilience if one region has trouble. How CDNs work A CDN uses many edge servers in strategic locations. When a user requests a file, the request is routed to the nearest edge. If the file is cached there, it is served immediately. If not, the edge fetches it from your origin server and stores a copy for next time. Cache-control headers and TTL values decide how fresh the content stays. ...

September 21, 2025 · 2 min · 399 words