How to make a website mockup in photoshop

1. Can you create mockups in Photoshop?

Can you create mockups in Photoshop?

Photoshop smart objects:

So with mockups, all you need to do is convert your design layer to a smart object at the start of your project (go to Layer > Smart Objects > Convert To Smart Object). Afterwards you can simply replace the design inside of the smart object the next time you need a mockup.