Web developers value reliability, and HTML5 provides that. Gone are the days when Flash was a popular resource, as it gradually faded behind the power of HTML5. Later this year, Google is set to diminish its already tenuous relationship with Flash even further as HTML5 continues its growth in popularity among web developers. We are going to take a look at why HTML5 is so popular and what it can be used for. We will also discuss the forthcoming Google move towards making HTML5 the default option when people visit a website and how this could be the beginning of the end for Flash.