Many variables — such as your users' device type and configuration, external hosting services, and third-party libraries — can impact an application's performance. Without a performance monitoring system in place, numerous problems can arise. These issues could even mean that users stop using your application.

NestJS is a popular framework for Node.js that allows you to build efficient and scalable backend applications. With AppSignal, you can monitor your NestJS app with ease and rely on OpenTelemetry to handle third-party instrumentations. AppSignal even provides helper functions to help you build comprehensive custom instrumentations. This article aims to help you get the most out of your AppSignal integration.