If you have add your site to google analytics, you shoud add a tracking code in your site. Where is this tracking code? How to find it? In this tutorial, we will tell you how to do.
Login into your google analytics and open settings
Here is an example.
Clicking Tracking Info
You can find this item in image below.
Clicking Tracking Code
Here is an example.
You will find tracking code and you can paste it in your site.