Build it: Anatomy of a Web Request
An interactive sandbox where you drag real components together, connect them, and run a live traffic simulation to see where the design breaks.
Challenge: Build the chain of services your browser needs to load a web page. You will need a <strong>DNS resolver</strong> to find the address, a <strong>server</strong> to handle the request, and a <strong>database</strong> to hold the data. Wire them up in order.