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Instant, real-time, back-end performance analytics for your Express.js app. is a small middleware you can seamlessly plug into your expressjs app to log performance data on your app and later query it using expressive queries and visualizations. is based on the framework and uses [] as a free store for your website performance data. This means that data is securely stored, backed up and managed by and its team.

If you prefer you can install your own copy of and save data on your premises.


$ npm install

Basic Usage

  1. npm install
  2. In your app.js add:
    readKey: 'READKEY',
    writeKey: 'WRITEKEY',
    host: ''
  1. Run your node app and navigate to: http://yourwebserver/analytics

Getting Read/Write Keys

Before you can start writing and reading data securely, you will need to obtain read/write keys from

If you wish to avoid registration, you can download and install your copy of


This is an Experimental package
Other than guaranteeing that any data collected is securely stored within our servers, there are no guarantees.


We would love to get your help! We have outlined a simple Contribution Policy to support a transparent and easy merging of ideas, code, bug fixes and features.

If you're looking for a place to start, you can always go over the list of open issues, pick one and get started. If you're feeling lost or unsure, just let us know.


Contacting us is easy, ping us on one of these:


Copyright (c) 2012-2013 Joola Smart Solutions. MIT Licensed, see LICENSE for details.