16. HTML Language of Web Browsers Tells Web Browser how to display a page “Plain text”
17. HTML Example <html> <head> <title>Simple Website</title> </head> <body> <h1>Welcome</h1> <p>This is a demonstration.</p> </body> </html>
18. Request Reply <html> <head> <title>Simple Website</title> </head> <body> <h1>Welcome</h1> <p>This is a demonstration.</p> </body> </html> Web Server HTML
20. How does the Server know which HTML to give me? Answer #1: By the URL
21. URL Fancy word for “web address” Every website has a URL http://www.facebook.com/profile.php?id=631766246 Server sees this, and returns appropriate HTML Domain Name Allows Browser to find Server
22. How does the Server know which HTML to give me? Answer #2: Your past activity Web Server “remembers”
