A smooth user experience is ensured by simulating real-world user interactions and verifying that all components are operating as intended by comparing an application's functionality to predetermined criteria. Functional testing not only helps development teams find errors early in the process, which saves time and money, but it also promotes a culture of quality. By giving this testing strategy top priority, teams can create reliable, user-focused software that satisfies client demands, builds user confidence, and guarantees a seamless deployment. It prevents expensive problems after launch and makes items stand out in the marketplace by taking the initiative. our blog article, explains why it's important to protect functionality following upgrades.