Intro 1 sept_14_2010
- 1. Building and Marketing WebsitesFoundations
- 2. What is a “Web Browser”?
- 3. Web BrowserProgram to access the WebPopular examples:
- 7. How do Web Browsers work?
- 8. How do Web Browsers work?RequestReplyWeb Server
- 9. What is a Web Server?
- 10. Web ServerA computer that delivers Web pagesAlways connected to the Internet and waiting
- 11. Data Center
- 12. Data Center
- 13. Data Center
- 14. How do Web Browsers work?RequestReplyHTMLWeb Server
- 15. What is HTML?
- 16. HTMLLanguage of Web BrowsersTells 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. RequestReply<html> <head> <title>Simple Website</title> </head> <body> <h1>Welcome</h1> <p>This is a demonstration.</p> </body></html>Web ServerHTML
- 19. How does the Server know which HTML to give me?
- 20. How does the Server know which HTML to give me?Answer #1: By the URL
- 21. URLFancy word for “web address”Every website has a URLhttp://www.facebook.com/profile.php?id=631766246Server sees this, and returns appropriate HTMLDomain NameAllows Browser to find Server
- 22. How does the Server know which HTML to give me?Answer #2: Your past activityWeb Server “remembers”
- 24. HTML Example<html><head><title>Simple Website</title> </head><body><h1>Welcome</h1><p>This is a demonstration.</p> </body></html>
- 25. HTML Tags <…>Surround textTell Web Browser about structure and meaning of your text
- 26. Header/Subheader Tags<h1> … </h1><h2> … </h2>
- 27. Paragraph Tag<p> … </p>
Editor's Notes
- #26: http://www.w3schools.com/html/tryit.asp?filename=tryhtml_intro