Throughout the history of the Internet, since its early days, designers and developers have been able to add images to websites—these are great to illustrate points or concepts, but are a static record at a point in time. More and more developers are turning to the power of video to help illustrate something: the themes are varied, from news right through to cooking, or even a step-by-step coding tutorial! With the advent of mobile media comes an increasing need for responsive content—we need to ensure our content can be viewed without issue on more and more devices.

In this chapter, we'll go on a journey through some of the concepts required to make our content responsive, as well as cover some of the tips and tricks to make our content available on multiple platforms. In this chapter, we will cover the following topics: