Browser testing is crucial for modern websites to ensure optimal user experience, and the Grafana k6 browser module offers a robust solution by simulating real user interactions, collecting frontend metrics, and resolving performance issues before they affect users. Integrated with Grafana Cloud services, this module enables seamless reuse of browser testing scripts across various testing environments. Familiar to those using the Playwright framework, it provides ease of use in writing tests, while offering best practices to enhance script reliability and efficiency. Key tips include running tests locally to expedite feedback, avoiding timeouts to prevent flaky tests, considering asynchronous execution, crafting unique and stable selectors, and using thresholds or fail methods to define test pass or failure criteria. Additionally, the module supports both performance testing and synthetic monitoring, allowing for comprehensive evaluation of user journeys and backend services, while ensuring scripts are adaptable and informative even in the face of failures.