Prerequisites

Node.js http://nodejs.org/

MongoDB http://www.mongodb.org/downloads

Sass/Compass http://compass-style.org/

global npm packages

sudo npm install -g nodemon
sudo npm install -g coffee-script

local npm packages

npm install

start server

```shell # start mongodb mongod

start node

npm start

<h2>usage</h2>

```html
<!-- 
data-puturl : (string) url of the web service to store measurement data
data-retrymax : (integer) amount of attempts to read performance.timing data
data-retrydelay : (number) delay between attempts to read data
--!>    
<script src="//md5.min.js"></script>
<script src="//performance.js" id="idPerfMsr" data-puturl="//:3000/timing"></script>