WWW Basic Tutorial

What is WWW?

How does it work?

What is a browser?

What is a server?

What is WWW?

  • WWW refers to the World Wide Web (World Wide Web)
  • The World Wide Web is often called the Web
  • The Web is a network of computers spread all over the world
  • All computers on the Web can communicate with each other
  • All these computers use a communication standard called HTTP

How does the World Wide Web work?

  • Web information is stored in documents called web pages
  • Web pages are stored on computers called Web servers
  • The computer that reads web pages is called a Web client
  • Web clients view web pages through programs called browsers
  • Major browsers include Internet Explorer and Mozilla Firefox

How do browsers read pages?

  • Browsers can read a web page on a server through a request
  • A request is a standard HTTP request containing the page address
  • Page addresses are similar to this: http://www.someone.com/page.htm

How do browsers display pages?

  • All web pages contain the structure of how they are displayed
  • Browsers display pages by reading these structures
  • The most commonly used display structure is called HTML tags
  • The HTML tags used for paragraphs are similar to this: <p>
  • In HTML, paragraphs are defined like this: <p>This is a Paragraph</p>

Who sets web standards?

  • Web standards are not set by Netscape or Microsoft
  • The body responsible for making web rules is W3C
  • W3C refers to the World Wide Web Consortium
  • W3C establishes various specifications as web standards
  • The core web standards are HTML, CSS, XML
  • The latest HTML standard is XHTML 1.0

For more information about W3C, please study our W3C Tutorials.