So, do you dream of pushing notifications directly in the mobile browser of your users? Bringing Geolocation features to your mobile website ? What about a browser-based chatting system with video and audio directly available without needing to download a single mobile application or plugin? Do you wish to transform your website into a / build a fully functional web app users will be able to launch from an homescreen icon, with Offline Support and biometric authentification? Let's look at what HTML5 APIs and Progressive Web Apps (PWAs) can achieve to enhance the experience of your mobile users in the browser.