Surprisingly, although ASP.NET Core provides plenty of options for handling 404 errors gracefully, the ASP.NET Core MVC runtime doesn’t take advantage of them by default.

Learn how to use asynchronous controller actions in ASP.NET MVC 4 by building a simple Contacts Manager app.

Take advantage of security headers in ASP.NET Core MVC 5 to protect your website against cross-site scripting, code injection, clickjacking, and other attacks.