Mobile-first design means building apps and websites to work great on phones...

https://www.easybookmarkings.win/mobile-first-design-means-creating-websites-and-apps-that-work-great-on-your

Mobile-first design means building apps and websites to work great on phones first. It’s all about fast loading times, easy-to-tap buttons, and simple menus that let you find what you need without hassle