Generic metrics are useful to measure and evaluate an overall level of a website performance. The standard KPIs suppose that all the websites are similar which is false. News websites are so different from e-commerce ones for example.
Custom performance metrics come to fill the gap and give us another level of measuring the user experience and satisfaction. Some of the tools provide ways to create and measure custom metrics. In this session we will dive into Google Lighthouse custom audits. What they could be used for ? How could we create our own Lighthouse audits ?