2. Click on the 'Edit' button behind the relevant website
3. A new tab opens. Click on the left, click on 'SEO & Settings'
4. Click on 'Google Tools' and paste the Tracking ID under Google Analytics or Google Tag (depending on the code you want to post. This can be recognized by the first letters).
5. Click on the 'Republish' button at the top right
Here is Google's explanation:https://support.google.com/analytics/answer/1008080?hl=nl
Copy the tracking ID and paste it into the website builder.