CDN (Content Delivery Network)

What is CDN?

CDN allows CDN providers to deliver content that doesn’t change frequently from servers to users.

How it Works

  1. User makes a request to the server
  2. DNS server redirects to CDN provider’s server
  3. CDN delivers cached content from the nearest server to the user

Benefits

  • Faster delivery: Content served from geographically closer servers
  • Reduced server load: Main server doesn’t handle all requests
  • Better performance: Cached content is served quickly

HTTP Caching

Effective caching strategies can significantly improve website performance.

Reference