- To load a page, your browser will request some HTML from a server
- If the HTML tells the browser to load more CSS and JS, the browser loads that
- Your browser makes an HTTP GET request for a specific URL
- The server sends an HTTP response with HTML
- With the Local Server extension, your computer runs a server on port 5500
- Your browser can always talk to servers running on your machine
- How does it talk to other machines?
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