Which of the following most effectively ensures that your site will provide a satisfying experience for users?

You have posted your e-commerce site on a staging server. Which of the following most effectively ensures that your site will provide a satisfying experience for users?

A.
Engaging in role playing in order to test the site

B.
Using design techniques to ensure symmetrical balance

C.
Using design techniques to ensure asymmetrical balance

D.
Implementing Web site stress-testing software