HTML5 video
Support for HTML5 video has been steadily increasing. In June 2013, Netflix added support for HTML5 video. In January 2015, YouTube switched to using HTML5 video instead of Flash by default. In December 2015, Facebook switched from Flash to HTML5 for all video content.
HTML5 Shiv
Using HTML5 Shiv on an HTML5 web page is simple; you may do so with or without installation of the library. Below is an example of how to conditionally include HTML5 Shiv only for Internet Explorer browsers less-than version 9. The script should be included within the codice_1 element of the page, after any stylesheets: