HTML vs XHTML
All HTML topics∙ Chapter 65
HTML vs XHTML
HTML5 is forgiving. XHTML is stricter XML-style markup (must be well-formed). Most modern web pages use HTML5.
HTML5
Forgiving; browsers try to fix mistakes.
XHTML
Strict; invalid syntax can break parsing.
ℹ️Even in HTML5, writing valid, clean HTML is still a best practice.