Track
Web Internals
HTTP, browsers, CDNs, caching — everything between the user and your server.
- 01
What is DNS Resolution
DNS resolution is like asking a chain of librarians for a book's shelf number: you ask your local desk, they ask a floor supervisor, who asks the head archivist, until someone knows the exact location.
- 02
What is a CDN (Content Delivery Network)?
A CDN is a globally distributed network of caches — like stocking every neighbourhood convenience store with your most popular items so nobody drives to the central warehouse. Users get the nearest copy; your origin server stays quiet.