The public facing website, or front end, of your LeagueApps account is a live website. The URL of your website uses a subdomain by default (yoursite.leagueapps.com).
LeagueApps also allows you to easily use a custom domain if you'd like (yoursite.com, register.yoursite.com, leagues.yoursite.com). LeagueApps does not offer domain or email hosting, but you can buy a domain name from any domain registrar and point it to your LeagueApps site.
This is step 3 in a 3-part help article on setting up a custom domain. If you have not completed parts 1 and 2, click here!
Once you've completed parts 1 and 2, follow the below steps to enter your custom domain in your LeagueApps account.
Go to Settings > Custom URL to open the "URL Settings" page.
Enter your full custom URL (ex. www.yoursite.com). Make sure to enter the subdomain (www.,register.,etc...). Click "Save Custom URL" to apply the URL change.