The HEART framework is an acronym that stands for Happiness, Engagement, Adoption, Retention, and Task success. It consists of these five key metrics, each of which provides insights into different aspects of the user experience. It’s a framework developed by Google’s team to make communication about UX with the wider product team easy.
This five part survey template corresponds to the five HEART metrics. Each part is a simple question, sometimes with a conditional follow-up question, to explore how the users perceive their experience.
The HEART survey provides direct insights of what users think, it is also important to match the qualitative data with quantitative product usage, such as engagement time, adoption percentage, retention ratio, and task completion rate.
You can and should adjust the survey to your specific product, and minimize the survey questions as well. However, you always need to be “happy” because the happiness signal need direct input from your users, unlike the other four metrics which you can use the measurements from product’s behavioral data.