HTML5 is a revolutionary web technology aiming to upgrade user experience. First time in 2010 general public heard the term “HTML5” in connection to Steve Job’s speech on Flash. Much earlier the professional web development community got acquainted with an original concept to unite HTML markup language and powerful web apps technology. Moreover, HTML5 was promised to solve urgent cross-platform app deployment problems. To sum it up, HTML5 seemed to be a magic elixir for…