Description: Network monitoring in JavaScript applications refers to the ability to track and analyze the network requests and responses generated during the execution of a web application. This process is essential for evaluating application performance, identifying bottlenecks, and optimizing user experience. Through specific tools and techniques, developers can gain detailed insights into resource load times, request latency, and the efficiency of interactions with APIs. Observability becomes a crucial component in this context, as it allows development and operations teams to have a clear and real-time view of their applications’ behavior in distributed environments. This includes the ability to monitor not only performance but also the overall health of the underlying infrastructure. By implementing effective monitoring strategies, organizations can improve the reliability of their services, reduce downtime, and provide a smoother and more satisfying user experience. In a world where web applications are increasingly complex and interconnected, network monitoring has become indispensable to ensure that applications operate optimally and meet user expectations.