The document discusses five techniques for improving user experience in website and application design: 1. Design early by incorporating user experience design into requirements gathering to better understand user needs. 2. Test early and often through prototyping, usability testing, and engaging users to iterate on designs before development is complete. 3. Make prototypes like sketches, flows, and mockups to generate ideas, get stakeholder buy-in, and test designs at low cost before implementing. 4. Focus on user behavior by asking open-ended questions about what users actually do rather than what they say they want. 5. Make "good mistakes" through exploratory prototyping to learn about problems and