Find out what people think, not just what they do on your website
Setup a custom task for users
Write your own task and tell people what to do on your website. Let them start directly on your homepage or send them to specific parts of your website.
Watch people using your website
Userbrain testers record their screens and voices, while they are using your website. You'll know exactly what they think, and why they do what they are doing.
Revise and improve your site
Keep getting new videos of these people using your website. These videos keep you in the feedback loop and let you improve your website on a regular basis.