Katie developed her corporation’s intra net site using proprietary HTML language extensions based on the company’s current browser. The company has recently updated its systems to include the use of a new browser. Now the intra net site that Katie developed no longer renders its content consistently. What should Katie do to ensure that this site’s content renders consistently regardless of the browser used?

Clyde is working on a Web page for his company’s intranet. He wants to insert an HTML comment within the page to let other developers know that the page validates as HTML5 and that he is the page author. Which line of code will insert the comment that Clyde requires?

You are developing a Web site in HTML5. You want the new HTML5 structural elements (such as

Which of the following HTML elements is a text-level element?

Which Web-based validation tool is used to validate HTML documents?

You are modifying an existing Web page that needs to validate as HTML5 code. To create a rectangular hot-spot in an image map that links to www.xyz.com, which code would you nest inside the container tags?

When a developer wants to center a paragraph of text, which code should she use?

During the initial meeting to plan a new Web site, whose input must be obtained?

Consider the following HTML5 code:

The code does not validate as HTML5. Why?