A Live Chat function like SmartsUpp or Crisp.chat allows you to communicate with your customers quickly and easily.
Adding Live Chat to your Store
Navigate inside your Shop admin to Settings > SEO/Tracking and scroll to the bottom of the page to "3rd Party code/scripts".
Copy and paste the code you receive from your chosen Chat provider into the box provided and click Save.
Adding Heatmap Solutions
You can add a Heatmap solution to your Store in the same place by copying the code over from your selected provider e.g. HotJar, Crazy Egg, etc.