Twitter bootstrap is a technology use to design the efficiently responsive web site design. It is a framework for development of web interfaces. It is getting very popular day by day because of its amazing features. it is developed by Mark Otto and Jacob Thornton at twitter. It is used to developed the HTML, CSS and JavaScript based website interface design. Its some features of form, buttons, navigations, images, chart, typography of formatting and other features like JavaScript component like tabs, sliders component making it more popular. bootstrap save the time and human efforts to develop a responsive web layout, we can develop a responsive design of a website within few minutes. Website design using bootstrap framework response according to the device and screen resolution. The design response in all devices like PC, laptop, Ipod, tabs, note, mobile and iphone. After developing the web layout we can also integrate it into any of cms, framework and in you core coded project. There is lot of scope this technology in the coming years. So bootstrap knowledge and skills can good source of income. Bootstrap is very very easy to learn.