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.…