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

https://www.nav-bookmarks.win/mobile-first-design-means-building-apps-and-websites-with-phones-in-mind-first-1

Mobile-first design means creating apps and websites that work smoothly on your phone first. It’s all about speed, easy-to-tap buttons, and simple navigation that helps you find what you need without extra hassle