How HTTP Works
HTTP (HyperText Transfer Protocol) is the request/response protocol that powers the web. Every time a browser loads a page, or one service calls another over REST, it's speaking HTTP underneath.
Networking¶
How to Troubleshoot DNS
DNS turns names (example.com) into IP addresses. When something is "randomly broken," DNS is usually the first thing worth ruling out — here's a systematic way to do that instead of guessing.