PWAs allow users to have the experience of an app without having to download one.
By now, you’ve probably heard that Progressive Web Apps (PWA) are the next big thing. Experts believe that they’ll push the mobile web forward, bring parity to web and native apps and provide mobile specific capabilities to web users.
So what are Progressive Web Apps, exactly?
https://www.itproportal.com/features/progressive-web-apps-why-theyre-revolutionising-the-user-experience/