Microservices are critical for distributed web systems primarily due to their ability to provide unparalleled flexibility and resilience. By breaking down monolithic applications into smaller, independent services, they enable individual components to be developed, deployed, and scaled independently. This architectural style significantly enhances fault isolation, meaning the failure of one service is less likely to bring down the entire system, thus improving overall system robustness. Furthermore, microservices promote developer agility and faster innovation cycles, as teams can work on and deploy services more frequently without impacting others. They also allow for technology heterogeneity, letting teams choose the best tools for each specific service, leading to more efficient and maintainable solutions in complex, evolving environments. More details: https://inforblog.dropmark.com/2093772/37400532