Microservices have been a topic for years now. Traditional micro services architectures often choose the UI as it’s platform for integrating the services, which often results in small, decoupled backend services, but a tightly coupled, hard to maintain, monolithic frontend application.Micro frontends are the obvious solution to that problem: we take the learnings from the backend to the frontend. We will discuss different micro-frontend approaches, their up- and their downsides.