Web Programming Step by Step, 2nd Edition

Chapter 1: Internet/WWW

Except where otherwise noted, the contents of this document are Copyright 2012 Marty Stepp, Jessica Miller, and Victoria Kirst. All rights reserved. Any redistribution, reproduction, transmission, or storage of part or all of the contents in any form is prohibited without the author's expressed written permission.

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1.1: The Internet

The Internet

The Internet
  • the Web is the collection of web sites and pages around the world; the Internet is larger and also includes other services such as email, chat, online games, etc.

Brief history

Key aspects of the internet

People and organizations


Internet Protocol (IP)

Transmission Control Protocol (TCP)

1.2: The World Wide Web (WWW)

Web servers and browsers

web server

Domain Name System (DNS)

Uniform Resource Locator (URL)

More advanced URLs

Hypertext Transport Protocol (HTTP)

HTTP error codes

Internet media ("MIME") types

Web languages / technologies