When building out the frontend for an application with strong real-time requirements, there are many considerations to make. How do we get initial data? How do we get subsequent updates? What happens if they lose connectivity? Web components provide an excellent model for progressively enhancing initial markup. Workers allow us to move, rendering off the main thread. In this talk, we'll demonstrate an architecture that scales down to any device with a spotty internet connection while scaling up to a fully realized real-time application. Check out our new channel: NDC Clips: @ndcclips Check out more of our featured speakers and talks at https://ndcconferences.com/ https://ndcoslo.com/