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
```shell # start mongodb mongod start server
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>