Question

_____________is html5 backward compatible.

Answer 1

HTML 4.01 and XHTML 1.0/1.1 are html5 backward compatible.

Answer 2

i18 Ace

HTML 4.01 and XHTML 1.0/1.1 are html5 backward compatible

in computer language Hypertext Markup Language (HTML) is the standard markup language for creating web pages HTML 4.01 was published in late 1999, with further errata published through 2001. In 2004, development began on HTML5 in the Web Hypertext