This summary highlights the importance of monitoring Node.js applications in ensuring performance, identifying issues, and maintaining system health. It explains that monitoring is not a one-time task but an ongoing process as new challenges and possibilities emerge. The article discusses common challenges associated with Node.js monitoring, including asynchronous execution, event loop insights, memory leaks, real-time performance monitoring, scalability, and distributed tracing. To overcome these challenges, it recommends using specialized monitoring tools, collecting key metrics, implementing asynchronous tracing, setting up alerts, monitoring dependencies, log aggregation, and security monitoring. The article concludes by encouraging developers to start monitoring their Node.js applications with New Relic, an observability platform that helps build better software.