Perfect! Now that we can deploy production quality web applications, we need to understand how to identify issues with them. This is where kadira.io comes into the picture. Kadira is a Meteor-specific performance and error-monitoring tool. It will collect Meteor.Errors triggered on both the client and the server. It will also show performance data for publishers and subscribers.

Kadira does this and more, and the starting plan is completely free. Let's begin by signing up. After you have signed up, you need to create a new app:

Decide a name for the app, and enter the same in the field, and click on Create App:

Once created, you will see a view like this:

To finish, you will need to copy the code in step 2 and install the meteorhacks:kadira and meteorhacks:zones packages:

meteor add meteorhacks:kadira
meteor add meteorhacks:zones

The meteorhacks:zones package improves the description of the errors from the client side. Kadira will take advantage of this package automatically...