The speed and performance of a webshop have an extreme influence on the behaviour of the visitors and potential customers. Growth in conversion rate, lowering the bounce rate and extending session length: it can all be done by optimising the performance. Most website are slow – and Progessive Web Apps are finally here to make it fast. During this talk Fabian and Jamie Maria will show you their journey to satisfy their need for speed; building the ultimate mobile experience by building a PWA with just milliseconds page transitions.