Question

You'd like to create remarketing lists based on your customer's journey through your website so that you can target them with different bids or ads. which category describes the users that visited your homepage, but didn't move any further into your site?

Answer 1

The term homepage visitors describes the users that visited your homepage, but didn't move any further into your site. 
Homepage denotes the main initial web page of a website.
The first web page people see when they arrive on a website is also known as the "landing page".