Google helps developers to create responsive websites - Web Starter Kit

Google provides developers a "Web Starter Kit" to make suitable sites all screen sizes.

People use a variety of devices to visit their favorite websites: mobile, tablet, computer, and even game console Rather than create multiple versions of the same websites adaptable to all types of devices website and meet the needs of users of multi devices, Google strongly encourages developers to focus on one website adaptable to all screen sizes.

Download Web Starter Kit

Google provides a starter kit (in beta version for now) to help developers to create responsive sites. This kit also provides performance improvements for websites such as loading times faster pages. Google also says that its "Web Starter Kit" and its functionality can be modified according to user needs.