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

https://www.romeo-bookmarks.win/mobile-first-design-means-creating-apps-or-websites-that-work-great-on-phones

Mobile-first design means building websites and apps to work great on your phone first. It focuses on fast loading, easy-to-tap buttons, and simple menus that make finding what you need quick and hassle-free