The web has changed a lot over the last decade, and at the same time it hasn’t changed at all. If we look back 10 years we will find that the web had a very common layout pattern at work across the bulk of sites. This go-to pattern consisted of a header, footer, sidebar and content area. It was the expected layout for the web. At the same time, we had rise of Macromedia Flash which gave way to an era of alternate layouts. Layouts that didn’t stick to this strict formula. And of course with the implosion of Flash this approach faded for a bit…I say for a bit, because it is back with a vengeance.   http://www.webdesignerdepot.com/2015/01/4-essential-layout-trends-for-2015/