Instant Site is a free website with built-in e-commerce. It enables you to instantly create your own website with the easy-to-use editor and start selling online at any time. To create, view or change your Instant Site settings, go to your Store admin → Website.
Instant Site benefits:
Forever free: Instant Site is free with free hosting with maintenance for it.
Mobile friendly: Instant Site has adaptive design and works well across different devices — mobiles, tablets, and widescreens.
Search engine friendly: Instant Site is naturally indexed by Google.
Customizable: You can easily change the look of the Instant Site to your liking. There are plenty of preset themes and appearance options to choose from.