How i know start up page of laravel app?

I work on app mvc with laravel and MySQL.
How i know start up page of my app
meaning when site open which page open
can you please help me
project found on github

That is determined by the routes.php line 118 which calls the index method in the HomeController.

/app/Http/routes.php

Keep in mind, that app is using a very old version of Laravel, 5.2.45