When xhtml was popular internet explorer was a major blocker for using it properly. I never saw xhtml served with the proper content type at the time. I don't

When xhtml was popular internet explorer was a major blocker for using it properly. I never saw xhtml served with the proper content type at the time. I don't see a reason to mix html and xhtml today. It will only lead to problems. (I.e using self-closing tags and &amp; mismatches in urls) If you use <div/> in html the browser will just ignore the end / See https://jsfiddle.net/sw8j9fo2/ https://jsfiddle.net/sw8j9fo2/