To connect your KLARA account with Google Analytics, please go to your KLARA account, click in the menu on the left on "Online" and then on "Configure" at the bottom.
Select the "SEO" tab and scroll all the way down again.
Under "Connect Google Analytics" you can enter your measurement ID. You can find this in your Google Analytics account.
"Save".
Please note: the measurement ID is not identical with your Google HTML meta tag.