Usability is measured by task completion rate, time to complete, and error rate. Cheapest way to measure: watch 5 real users try to book a consultation. You'll see the friction that pages of specs cannot capture.
Usability is measured by task completion rate, time to complete, and error rate. Cheapest way to measure: watch 5 real users try to book a consultation. You'll see the friction that pages of specs cannot capture.