1. XP Including Comments in an HTML Document On a new blank line in an HTML document, type the start code for a comment: <!-- Type the comment Type the end code for a comment: --> Press the Enter key New Perspectives on Blended HTML, XHTML, and CSS1

2. XP Using the Acronym and the Abbreviation Tags To display a ScreenTip defining an acronym, use the tag with a title attribute, as follows: ACRONYM To display a ScreenTip showing the complete form of an abbreviation, use the tag with a title attribute, as follows: Abbreviation New Perspectives on Blended HTML, XHTML, and CSS2

3. XP Using the Acronym and the Abbreviation Tags New Perspectives on Blended HTML, XHTML, and CSS3

4. XP Inserting Special Characters Some characters in HTML cannot be created by using the keyboard – Special characters New Perspectives on Blended HTML, XHTML, and CSS4

5. XP Tips for Typing HTML Code in a Text Editor Type all code in lowercase List codes separately as much as possible Use white space Insert a break code at the beginning of a line, not after it Enter code between start and end tags Don’t use deprecated tags Format terminal punctuation properly Beware of quotation marks from pasted text New Perspectives on Blended HTML, XHTML, and CSS5

6. XP Working with Search Engines When you view the source code for an HTML page, you often see one or more tags within the tags – One use of tags is that they can help search engines, such as Google, find your site on the Web based on the keywords you have coded within the tags on the home page New Perspectives on Blended HTML, XHTML, and CSS6