Web Servers Explained: Architecture, Configuration, and Tuning
Web Servers Explained: Architecture, Configuration, and Tuning Web servers are the frontline of most websites. They listen for requests, serve files, run code, and talk to databases or caches. A good setup helps pages load faster, stay available, and stay secure. This guide explains the main parts of a web server, how to configure them, and simple ways to tune performance. Architecture starts with the software. Common choices are Nginx, Apache, and Lighttpd. Each has strengths: Nginx is fast at serving static files and works well as a reverse proxy; Apache offers many modules and flexible rules; Lighttpd is lightweight for small servers. Behind the software is the operating system, hardware, and network. In many setups, a front-end reverse proxy handles all external traffic, then forwards requests to application servers or static file servers. A database or cache may sit nearby. Keeping this separation clear helps with scaling and security. ...