The answer is C. Leverage a staging environment that is tightly controlled for showcasing. A staging environment is a replica of the production environment that is used for testing and demonstrating the final product before deployment. A staging environment can help the web consultancy group avoid the issues reported by the customers, such as mismatched expectations and unexpected behavior, by ensuring that the product is shown in a realistic and consistent setting. A staging environment can also help the group catch and fix any bugs or errors before they affect the live site.
Some possible sources of information about web development environments are:
* 7 Web Development Best Practices: This page provides some general tips and best practices for web development, such as planning, accessibility, UX/UI, standards, code quality, compatibility, and security.
* Web Development Best Practices (Building Real-World Cloud Apps with Azure): This page explains some specific best practices for web development in the cloud environment, such as stateless web tier, session state management, CDN caching, and async programming.
* Web Development Best Practices: This page lists some resources for learning web development best practices in ASP.NET, such as async and await, building real-world cloud apps with Azure, and hands-on labs.