You can always see any changes you make to you application in realtime. It can however be useful to see the application you are building exactly the way your users will experience it.

By clicking the preview button in the bottom bar of the editor you will open a preview version of your app in a new tab.

The preview version has its own unique url and can be shared with other team members. The preview environment is identical to how your application will run when published.

Editing your application

Publish your application