Can I Make My System Faster? Of course, you can. One practical way to improve application responsiveness is by using event emitters. Imagine a user creates an account in your system. After account creation, your application may need to perform additional tasks such as: Sending a welcome email Triggering a notification queue Logging audit activity Updating analytics Creating a profile record If all of these tasks are executed before returning the API response, the user waits longer. This makes the system feel slower. Instead, you can immediately return a success response after the main task is complete, then emit an event for background actions. Those actions can run independently. Event emitters allow you to build applications using event-driven architecture.…