The way to do it properly is to hire experienced, competent UX designers and human computer interaction specialists, who understand the problem space and how to keep people engaged without addictive malpractice / dark patterns. Metrics are useful but they are what they claim to be - measurements - and nothing more.
You wouldn't choose which house to buy based on how large it was measured to be, but you would expect a surveyor to make those measurements.
Speaking as a web and video game designer, I can't wait until I can hire someone to think about these things for me.
The way to do it properly is to hire experienced, competent UX designers and human computer interaction specialists, who understand the problem space and how to keep people engaged without addictive malpractice / dark patterns. Metrics are useful but they are what they claim to be - measurements - and nothing more.
You wouldn't choose which house to buy based on how large it was measured to be, but you would expect a surveyor to make those measurements.
Speaking as a web and video game designer, I can't wait until I can hire someone to think about these things for me.