Can I have a Wix site without connecting it to my own domain?
You are welcome to continue using the free Wix URL and remain a free user. Your URL will be in the format: username.wix.com/sitename. You can edit this URL by changing your username and/or site name.
To change your Wix username: Sign in to your Wix account > at the top right of the page, hover over the user panel > click Account Settings > next to User Name, enter your new username > click Save Changes.
To change your site name: Sign in to your Wix account > click My Sites > next to the relevant site, click Manage Site > on the right, under Website Actions, click Rename (you might need to click Show More to see this option).