CDN — content distribution network
A globally distributed server network (POPs) that caches static assets — JS, CSS, images, videos — and delivers them from the user's closest location. Drastically reduces TTFB and latency.
CDN
A globally distributed server network (POPs) that caches static assets — JS, CSS, images, videos — and delivers them from the user's closest location. Drastically reduces TTFB and latency.
Derivatives & related terms
- CDN cache
- CDN Purge
- cache invalidation
- Edge CDN
- CDN PoP
- CDN TTL
- CDN failover
- Multi-CDN Strategy
- CDN pull zone
- CDN Push Zone
- Anycast CDN
- Cache control headers
SEO tip
CDN deployment typically improves LCP by 200—600 ms. Since page speed is a direct Google ranking signal, a CDN is one of the CDN investments with the highest SEO ROI.
Source: Georgia Business & Technology Glossary by Del-Ops Technology & Consulting Team. Last Updated: February 2026.