Requiring a constantly active online connection just to provide access to a finite set of information is a thing of the past. Nowadays, thanks to the power of a set of browser technologies, you can build what is usually referred to as a "Progressive Web App", an online experience that moves past traditional browser barriers and can provide several of the benefits you'd previously only find in a native application. Through the example of an event site with a schedule and some session information, we'll go through the steps needed to make this site useable even when offline.