The <base> element must be contained within the

Which attribute do you use to span table cells across table columns?

What are/is the most important difference between XHTML and HTML?

Which HTML attribute is used to set the space between the cell wall and the cell content in an HTML <TABLE> element?

An HTML image-map is an image with:

In a form, the INPUT tag can have many types. Which one is NOT a valid type?

What of these attributes are valid for video in HTML5?

Why is this NOT valid XHTML Strict? <a href="?page=about" target="_blank" title="Read more about us?"><span>Read more about us!</span></a>

How many standard color names are defined in HTML 4.01?

Which of the following is not a valid input type in any version of HTML

Which of the following is NOT a valid <meta type="robots" content="<values>" /> value.