How to add tiles on SharePoint site?

SharePoint 2013 gives this option out of box.If you want to create the tile menu. You should use these steps:

1. Create a promotion list. Go to Site Content -> Add an app -> Choose Promotion Link list -> pick a name and create this list.
2. Go to the list just created and add the tiles you want to show with title, description, link, background image...
3. Go to the landing page you want to show the tile menu on: Edit page -> Insert this list to the page and Save.

So you will see the tile menu display on the landing page.