• 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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