Developing responsive applications when you are using ASP.NET and MVC framework, has become pretty easy with the availability of bootstrap framework within Visual Studio IDE.

Bootstrap is currently one of the most popular web frameworks for developing responsive web applications. It has multiple features and benefits through which developers can improve users' experience with the web site. Whether you're a novice at front-end design and development or an expert, you can work with bootstrap easily. When you start a new web project in the Visual Studio, select bootstrap theme of your choise and move forward with the steps mentioned in development wizard.

Bootstrap framework consists of a set of CSS and JavaScript files, and is designed to help your website or application scale efficiently from phones to tablets to desktops. Bootstrap, through bootstrap.js includes multiple custom jQuery plugins, providing features like transitions, modal dialogs, scroll detection, collapse behavior, carousels, and affixing menus to the window so that they do not scroll off the screen etc. Its basic typography and styles provide a pleasant look & feel that can easily be manipulated through custom theme support, which can be hand-crafted. Also, there are rich functionality themes available in the market that one can purchase, if required.
Using available programming techniques, css and javascript, a developer could further make UI more relevent and pleasurable for Users who are using different devices at different times.

 
@{ Layout = "~/Views/Shared/_Layout.cshtml"; }

 

While you supply the Layout to each desired page, ensure that you supply appropriate 'title' to the page. It helps search engines to locate and distinguish the pages beautifully. You may achieve the desired result as following: -

In the individual page just write the desired title, e.g.
@ViewBag.Title = "Invoice Bill"
just before the Layout line. And in the _Layout.cshtml file, you may write the code like
This will ensure that every page is given its own title, along with the name of your program. There is an ocean of options that you can explore programatically to make your responsive program a pleasure to the users. You may like to visit bootstrap website for further study on the subject.