When developing with Spring Boot, one of the most common concerns is the startup time of the application. A faster startup is not just a matter of convenience—it has real-world implications, especially in microservices architecture, continuous integration pipelines, and cloud environments where resources are often metered. In this article, we will explore proven techniques to optimize the startup time of your Spring Boot application. We'll cover methods that range from simple configuration changes to more advanced tuning techniques, all with code examples and practical demonstrations.