We’ve seen how the “feel” of a site can affect the business, but what does all of that tell us about how to build our sites?

• How fast should we be to reduce frustration?
• What should we be considering in our performance budgets?
• How do we leave our users feeling happy?
• I think these may be secondary questions…

A better question to start with, is:
Will adding a new feature delight or frustrate the user?