Introduction to HTML

The World Wide Web
• Definitions

– The World Wide Web (WWW)

• The set of computers on the Internet that support HTTP
• Not a separate network

– HTTP

• The HyperText Transfer Protocol
• The language used by a WWW client (e.g. Netscape, IE) to
request documents from a WWW server (i.e. the program running
at Web sites like bbu.edu.kh, amazon.com or yahoo.com)

– HTML

• The HyperText Markup Language
• The language used to design web pages

HTML History & its Future

HTML 2.0
HTML 3.2
HTML 4.0
All formatting is separated into a style sheet.
HTML 4.01
Makes the future upgrade from HTML to
XHTML in a simple process.
XHTML – sometimes referred to as HTML 5
The future of HTML standard
Almost identical to HTML 4.01
1.0, 1.1 and 2.0

Markup Languages

Introduction to HTML Creating and publishing a Web page Validating a document Main HTML elements Block-level, Text-level HTML elements Creating hypertext links, adding images to documents Building tables, Using Frames and Forms

.htm or .html

We can save an HTML file to either the .htm or .html file extension. It might be a problem inherited from the past.Some commonly used software can only allo three character e tensions .txt , .doc , …

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Chapter I : Introduction to HTML (Khmer)