When developing large-scale applications using JavaScript frameworks like Vue, it is crucial to consider component structure to enhance performance by avoiding the loading of unnecessary components and data at runtime, which can degrade user experience. Vue employs asynchronous components alongside techniques like lazy loading and code splitting via dynamic imports, allowing for efficient loading of only the necessary components when users interact with the application. This is demonstrated through the creation of a book donation app where components are loaded asynchronously, reducing initial load times and improving responsiveness. Error and loading states can be defined to handle potential issues during component loading, ensuring a smoother user experience. Leveraging async components not only optimizes performance but also facilitates error detection and handling, ultimately contributing to higher retention rates. Tools like LogRocket offer capabilities to monitor and debug Vue applications more efficiently by providing detailed insights into user interactions and application behavior.