What are the differences between XHTMl and HTML4, and what makes HTML5 the best?

Answer 1

Julian
XHTML stands for eXtensible Hypertext Markup Language. It's actually a specific dialect of XML which is a generalised markup language. The main difference between XHTML and HTML4 is that all tags, once opened, must be closed. Aside from this, all the tags are the same as for HTML4.
you can read full article here:
https://www.siliconbeachtraining.co.uk/blog/html4-v-html5-v-xhtml-differences
I hope I was helpful

Answer 2

Julian you're welcome!

Answer 3

Thanks for your answer, I am a beginner in this field, so thank you very much,