The admin menu bar displays at the top of the page when you are logged in as a site administrator.

If private your vsite will only be avalible when you are logged in, regular users will see a message and be giving the choice to login.

Select the shield that you wish to appear in the 'shield widget' on your site. Click disable to display none.
When this is checked a user does not need to be logged in to contact you.
Entering your ID this will send page and visitor data to your Google Analytics account. Go to the Google Analytics site to set one up. Your ID will be in the format UA-XXXXXXX-XX.