Web Design with HTML and CSS Digital Classroom

Lesson 9: Browser Compatibility

Browser testing is necessary because different web browsers render HTML and CSS code differently. In this lesson, learn to determine how much testing is necessary for any given project, as well as techniques for fixing browser issues or incompatibilities.

What you’ll learn in this lesson:

• Testing your browser

• Using different browser testing tools

• Using conditional comments with Internet Explorer

• Dealing with future browser compatibility problems

Starting up

You will work with several files from the web09lessons folder in this lesson. Make sure you have loaded the weblessons folder onto your hard-drive from www.digitalclassroombooks.com/webdesign. See “Loading lesson files” in the Starting Up section of this book.

See Lesson 9 in action! Use the accompanying video to gain a better understanding of how to use some of the features shown in this lesson. You can find the video tutorial for this lesson at www.digitalclassroombooks.com using the URL provided when you registered your book.

Why browser testing is important

A web browser is a program that renders HTML, CSS, and JavaScript files according to a set of rules built into the application. Although web browser manufacturers use the recommended guidelines of the Word Wide Web Consortium’s ...