Grafana Faro Web SDK, when used with Grafana Cloud Frontend Observability, enhances the ability to monitor frontend applications by collecting custom metrics, events, and logs. This integration is particularly beneficial for gaining insights into user interactions on websites and apps, which are often as complex as backend systems. The article explains how to set up and use Grafana Faro to track page speed, errors, and user activities, especially in scenarios where managed services are used, thereby lacking backend access. It highlights the flexibility of creating custom events and metrics for detailed analysis, enabling correlations between frontend data and business metrics, which is crucial for troubleshooting and optimizing performance. The tutorial provided guides users through deploying a basic web application, integrating the Faro Web SDK, and utilizing Grafana Cloud’s tools to visualize and analyze data. This setup allows for proactive monitoring and quick identification of issues, such as detecting a broken "Add to Cart" feature for specific user groups, thereby facilitating timely interventions. The article encourages signing up for Grafana Cloud's free tier to get started with these observability capabilities.