Mobile-first design means creating apps and websites that work perfectly on...

https://paxtonssmartperspective.cavandoragh.org/why-does-checkout-feel-harder-on-mobile-than-desktop

Mobile-first design means creating apps and websites that work perfectly on your phone before anything else. It’s all about fast loading times, easy-to-tap buttons, and simple menus that make getting things done quick and hassle-free