72

Why is the number 72 important?  72 is the number of pixels your screen will display per inch. If you create photos for the web that have more then 72 pixels per inch, then you are just wasting memory.

Why is Photoshop important to web design? Photoshop helps create buttons and images that can be viewed on the web. Without the use of  photoshop, web pages would be very dull.

Why do you do prototypes for web pages?  Prototypes  help you imagine what you want your web pages to look like before you start creating them.

What is the most important element of your personal web site? Links to each web page are the most important thing within the web site.