Copy the LiveSite Widget HTML code:
Login to your vCita dashboard, click on Edit LiveSite button then click on Add to Website. Click on Edit next to the LiveSite Widget option to customize and design your widget.
Click Add To Website button and select Other websites
Copy the HTML code
Add vCita LiveSite Widget to your website:
On duda one site builder click on the site menu icon on the right.
From the list select Site settings
Under Header HTML paste the HTML code copied from vCita and click Save 
*If you don't see the LiveSite in the preview right away, switch between the different device views.