Although Jimdo provides a basic statistics view in it's Pro package, as you become more adept or if you have several websites to manage, the next step for many website owners is to connect Google Analytics properly.
Log into your Google Analytics a/c to get your Google Analytics ID, it will look similar to the following:
If you don't already have a Google Analytics a/c, you first need to create it, as follows.
Navigate to http://www.google.com/analytics and click "Signup"
If you're new, you'll be redirected to the following screen, if you already have a GA account, select the "New Account" option from the Account List.
Fill out all of the required fields and press "Get Tracking ID" to submit the form.
Then you'll see a screen like this:
Note: The UA-XXXX bit is your Google Analytics ID.
You've connected Google Analytics with your Jimdo website, achievement unlocked!