How much does a CDN cost?

Cloudflare offers a generous free tier suitable for most sites. AWS CloudFront charges per GB of transfer (typically $0.085/GB). For most applications, CDN costs are under $20/month.

Can a CDN cache dynamic content?

Yes, with appropriate cache-control headers. API responses can be cached at the edge with short TTLs (e.g., 60 seconds) or using stale-while-revalidate strategies.

CDN Content Delivery Explained

Serve content from the nearest edge — reducing latency from 300ms to 30ms for users worldwide.

CDN (Content Delivery Network)

A geographically distributed network of servers that caches and delivers content (images, CSS, JavaScript, videos) from the location nearest to the user, reducing latency and load times.

Explanation

Without a CDN, a user in Tokyo loading a website hosted in Virginia experiences 200–300ms of network latency per request. A CDN caches static assets on edge servers worldwide — the Tokyo user loads from a nearby edge, cutting latency to 10–30ms. CDNs also absorb traffic spikes, reduce origin server load, and provide DDoS protection. Modern CDNs (Cloudflare, CloudFront, Fastly) also support edge computing, where custom logic runs on edge servers.

Bookuvai Implementation

Bookuvai configures CDN (typically CloudFront or Cloudflare) for all production deployments. Static assets, images, and API responses with appropriate cache headers are served from edge locations worldwide. For SPAs, we cache the entire application shell at the edge for sub-second initial loads globally.

Related Terms

Frequently Asked Questions

How much does a CDN cost?: Cloudflare offers a generous free tier suitable for most sites. AWS CloudFront charges per GB of transfer (typically $0.085/GB). For most applications, CDN costs are under $20/month.
Can a CDN cache dynamic content?: Yes, with appropriate cache-control headers. API responses can be cached at the edge with short TTLs (e.g., 60 seconds) or using stale-while-revalidate strategies.