If Main Page redirect is not specified – you can use a Main Page feature on your main domain, for creating a link-in-bio or smart-link like page.

To access it, proceed to Main Page tab:

Here is the example of completed Main Page:

Let's breakdown the main features:

1) To set up the background image, click on the highlighted button > Choose background

2) To add a short link to the page, specify only a slug of existing short link.

For example: if short links is domain.com/buick - specify just buick, and click Add.

3) To change the arrangement of links - click the highlighted icon and drag to desired position.

After editing is done, click Save Changes.