Masterpages in ASP.NET streamline website creation by enabling developers to define consistent layouts and manage reusable content across multiple pages. With master pages, you can centralize branding elements like headers, footers, and navigational menus, ensuring uniformity and simplifying site-wide updates. This approach enhances maintainability and saves time when building large-scale or enterprise web applications. Whether you’re a beginner or an experienced developer, leveraging masterpages in ASP.NET improves workflow, reduces code duplication, and provides a seamless user experience. Discover best practices for implementing masterpages and optimize your ASP.NET projects for scalability and ease of maintenance.