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KPI Dashboard


Mozilla Persona is "an identity system for the web." More specifically, it is a distributed, privacy-preserving single sign-on system for web sites and applications. Rather than having to manage multiple usernames and passwords, it allows you to sign in to a website using the email address of your choice.

As part of our goal to make Persona the best sign-in solution, we are continually working to streamline and improve the user experience. To better understand how our users are using the system, we collect certain statistics (suitably anonymized) about users' interaction with the interface.

The goal of the KPI dashboard is to present this information in a meaningful and informative manner.

What is it?

The dashboard provides a number of different reports, visualizing the Key Performance Indicators (KPIs) of users interacting with the Persona dialog.

Sample KPIs include:

  • Median number of sites a user logs into with Persona
  • The drop-off rate of new users following the sign-in flow
  • Percentage of successful password resets
  • Percentage of users successfully activating additional email addresses
  • Number of new users

As the dashboard is developed, other KPIs may be added (or may replace) these.

Where is the data?

The interaction data collected in the Persona dialog is sent over and stored in the KPI Backend.

KPIggybank is an implementation of the backend that provides an interface for storing and retrieving this data. The KPI Dashboard will use KPIggybank's interface for accessing the data.

The location of the data server is defined in the configuration file found in server/config/config.json.

An implementation of a server serving randomized interaction data (in the expected format) is provided in server/scripts/fake_data_server.js. You can run it using the command npm run-script data.


The KPI dashboard runs on NodeJS.

Once you have Node and npm, you can install additional dependencies by running the command npm install.

We also require a running installation of CouchDB.


Start the server with npm start. The server runs, by default, on port 3434.