1. HTML/XHTML By Joaquin Vila

2. What is HTML? HTML stands for HyperText Markup Language. HTML documents are cross-platform compatible and device-independent.

3. W3CW3C Recommendations W3C produces what are known as "Recommendations". These are specifications, developed by W3C working groups, and then reviewed by Members of the Consortium. A W3C Recommendation indicates that consensus has been reached among the Consortium Members that a specification is appropriate for widespread use.

4. XHTML (Extensible HyperText Markup Language ) XHTML 1.0 is W3C's recommendation for the latest version of HTML XHTML 1.0 following on from earlier work on HTML 4.01, HTML 4.0, HTML 3.2 and HTML 2.0. With a wealth of featuresearlier work XHTML 1.0 is a reformulation of HTML 4.01 in XML, and combines the strength of HTML4 with the power of XML.

5. HTML HTML tags are always enclosed within angle brackets ( ) Most require a beginning and a closing tag There are two parts to a Web page The heading section is identified by a pair of head tags ( and ) The body section is identified by a pair of body tags ( and )

6. Head Tags Many tags can be used in the heading section of the Web page

7. Body Tags

8. CASE insensitive All HTML tags are case-insensitive; that is, you can specify them in upper or lower case, or in a mixture. is the same as or

9. Creating a Simple HTML Document My Sample HTML Document This is my HTML Document.

11. Largest Heading: Large Heading: Medium Heading: Small Heading: Smaller Heading: Smallest Heading:

12. This is a paragraph. Each new paragraph you make will drop down a couple lines before starting. The br element is a line-break. It will only drop down one line, unlike the paragraph.

13. Centering is easy! Bolding text helps it stand out Striking is easy! Underlining is easy!

14. any text ISU

17. First Line Second Line Third Line

18. A B C D E F