Starting With Microfrontends

Micro frontends are an architectural approach that deconstructs large web applications into smaller, independent modules, each representing a self-contained feature that can be developed, tested, and deployed independently. The approach can be implemented using vertical or horizontal slicing, each offering distinct advantages and challenges; vertical slicing simplifies technical implementation and reduces page payloads, while horizontal slicing allows greater freedom and cohesion in user flows. Tools like iframes, module federation, single SPA, and Bit.dev offer various ways to manage micro frontend architectures, each with specific use cases and limitations. For instance, iframes are simple and technology-agnostic, making them suitable for smaller projects, while module federation helps reduce bundle sizes in single library projects. Single SPA offers flexibility for complex applications without heavy horizontal slicing reliance, and Bit.dev facilitates component-driven development but requires a dedicated server. Organizations should align their technical choices with their product vision and needs, carefully balancing simplicity and complexity to ensure sustainable growth and maintainability in their frontend architectures.