Quantitatively evaluate a product or service’s user experience by using metrics to gauge its relative performance against a meaningful standard.| Nielsen Norman Group
Macro conversions are desired user actions that directly contribute to your business's primary goals. In contrast, micro conversions are user actions that precede macro conversions and occur more frequently.| Nielsen Norman Group
In addition to being expensive, collecting usability metrics interferes with the goal of gathering qualitative insights to drive design decisions. As a compromise, you can measure users' ability to complete tasks. Success rates are easy to understand and represent the UX bottom line.| Nielsen Norman Group
A design system is a set of standards to manage design at scale by reducing redundancy while creating a shared language and visual consistency across pages and channels.| Nielsen Norman Group