1. Introduction to Web Pages

2. Lecture Overview
Evolution of the Internet and Web
Web Protocols

3. History of the Internet
It began as the ARPANET
It became NSFNET while funded by the National Science Foundation
There was no WWW
It was really just FTP and Usenet news
There were no search engines

4. History of the Web
In 1991, Tim Berners-Lee created the Web at the Particle Physics Laboratory in Cern Switzerland
He established the World Wide Web Consortium (W3C) in 1994 to foster international standards
Today the W3C defines standards for most Web-based protocols

5. Internet / Web Standards
Internet Engineering Task Force (IETF)
The Internet Architecture Board (IAB)is a standing committee of the IETF
They publish RFCs
The World Wide Web Consortium (W3C) publishes standards for the Web

6. A Brief History of HTML 1989: Created by Tim Berners-Lee
1994: HTML specification released along with DTD Netscape formed W3C was formed
HTML3 draft (draft expired) Internet Explorer released Cascading Style Sheets

7. A Brief History of HTML 1997: Html 4.0 Draft 1999: HTML 4.01
2001: XHTML 1.1 (XHTML 2.0 died)
2008: HTML5 working draft

8. Web Markup Languages
In the beginning there was the Standard Generalized Markup Language (SGML)
It was unruly
HTML was created to “markup” Web pages
XML was created to represent just about any kind of data
XHTML is HTML written in XML
HTML 5 is the next generation of HTML
We will use HTML 5 in this course
They are not all that different

9. The World Wide Web Consortium
The W3C is the standards setting body for various protocols
HTTP
HTML
XML
And many more
Visit

10. Web Page Round Trip Client (Request) Server (Receive) Client (Render)
Server (Send HTML)
Server (Process)

11. A Word about Web Browsers
Everyone has their favorite
IE, FireFox, Chrome, …
As we begin to program more, we will learn about differences between one browser and the next and the challenges of programming against different browsers
Not to mention the mobile world
I’ll use Chrome in the course because of its rich HTML debugging capabilities