Mobile-first design means building a website or app starting with phones in...

https://www.echobookmarks.win/mobile-first-design-means-building-apps-or-websites-starting-with-phones-in

Mobile-first design means building a website or app starting with phones in mind. It’s all about fast loading times, layouts that work perfectly with your fingers, and easy-to-use menus that get you where you want without confusion