Synthetic monitoring, specifically through browser checks, is a proactive approach to ensuring the health and performance of web applications by simulating user interactions to catch issues before they affect real users. Grafana Cloud Synthetic Monitoring provides a platform for executing these browser checks, allowing developers to simulate user interactions such as navigation and form submissions across various devices and screen sizes, using the k6 browser testing APIs. This setup involves creating a Grafana Cloud account, navigating to Synthetic Monitoring, and configuring browser checks with specific parameters like script execution, timeout settings, labeling, probe location selection, and test frequency. The results from these checks, which include metrics like uptime and core web vitals, are visualized in a comprehensive dashboard, enabling developers to maintain high-performance user experiences by catching regressions early and monitoring trends in real time. Grafana Cloud offers a user-friendly entry into synthetic monitoring with its free tier, facilitating easy implementation and management of browser checks to ensure reliable service delivery.