If that was the case, there wouldn't be homepages (USER.github.io). Projects reside on USER.github.io/PROJECT, so they assume you will create a homepage as wel

If that was the case, there wouldn't be homepages (USER.github.io). Projects reside on USER.github.io/PROJECT, so they assume you will create a homepage as well. If you're a user, that's your personal homepage. Anyway, this is about GitLab.