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HTML5 and CSS3: Visual QuickStart Guide, Seventh Edition by Bruce Hyslop, Elizabeth Castro

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20. Testing & Debugging Web Pages

In This Chapter

Trying Some Debugging Techniques

Checking the Easy Stuff: General

Checking the Easy Stuff: HTML

Checking the Easy Stuff: CSS

Validating Your Code

Testing Your Page

When Images Don’t Appear

Still Stuck?

So, you’ve written a brand new page and fired it up in your browser only to find that it doesn’t look anything like you expected. Or it doesn’t display at all. Or maybe it looks great in your default browser, but when you or your clients check it in others, it looks, well, kind of funny.

Between HTML, CSS, and the multitude of browsers (especially older ones) and platforms, it’s easy to have trouble here and there. This chapter will alert you to some common errors and will also help you weed out ...

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