What is the World Wide Web?
The World Wide Web (WWW) is most often called the Web.
The Web is a network of computers all over the world.
All the computers in the Web can communicate with each
other.
All the computers use a communication standard called
HTTP.
How does the WWW work?
Web information is stored in documents called Web pages.
Web pages are files stored on computers called Web servers.
Computers reading the Web pages are called Web clients.
Web clients view the pages with a program called a Web
browser.
Popular browsers are Internet Explorer and Netscape
Navigator.
How does the browser fetch the pages?
A browser fetches a Web page from a server by a request.
A request is a standard HTTP request containing a page
address.
A page address looks like this: http://www.someone.com/page.htm.
How does the browser display the pages?
All Web pages contain instructions for display
The browser displays the page by reading these instructions.
The most common display instructions are called HTML
tags.
HTML tags look like this <p>This is a Paragraph</p>.
Who is making the Web standards?
The Web standards are not made up by Netscape or Microsoft.
The rule-making body of the Web is the W3C.
W3C stands for the World Wide Web Consortium.
W3C puts together specifications for Web standards.
The most essential Web standards are HTML, CSS and XML.
The latest HTML standard is XHTML 1.0.
|
