HTML Tutorial Summary
HTML 5 was released in public-facing type on 22 January 2008, using a major upgrade and”W3C Recommendation” status in October 2014. Its aims were to enhance the speech with support for the most recent multimedia and other new attributes; to maintain the language both readily readable by people and always recognized by computers and devices like internet browsers, parsers, etc..
without XHTML’s rigidity; and also to stay backward-compatible with old software. HTML 5 is meant to subsume not just HTML 4, but in addition XHTML 1 and DOM Level 2 HTML.