Please note that the contents of this offline web site may be out of date. To access the most recent documentation visit the online version .
Note that links that point to online resources are green in color and will open in a new window.
We would love it if you could give us feedback about this material by filling this form (You have to be online to fill it)



Images, Audio and Video

Images, video, and audio engage users, but they also drive users away when they don't fit, don't load, or the page renders slowly.