Featured testimonials are those that you select to be showcased on the Personal Website and Digital Name Card.
To do so, you can find the testimonial by click on to the bottom left corner or while signed in, go to https://live.goalsmapper.com/testimonials
To convert the testimonial to be featured on the personalised website and digital name card, click on the 3 dots at the right of the testimonial and select "Set as Featured".