In 000webhost's terms of service we have
You will not use this Site or the Services in a manner (as determined by 000WEBHOST.COM in its sole and absolute discretion) that:
Is illegal, or promotes or encourages illegal activity;
Promotes, encourages or engages in child pornography or the exploitation of children;
So, children are NOT allowed to access your website, and you SHOULD set the category to adults, and add a please type your age box before users accessing your site.
If one of those is missing, your website will be suspended.
Have a nice day