Don't forget screen performance
It's all well and good to have a visually stunning document, but if its performance is poor, user experience will suffer greatly. In this chapter, we will not try to teach you how to design visually impressive charts—that's a whole other book; instead, we will offer some ideas to help make your charts work better.
Tip
A rule of thumb is that nothing should take longer than about 3 seconds to refresh as this is the point at which the user gets bored.
Here are some performance tips to enhance the overall user experience by taking advantage of QlikView's excellent server engine and other features.