HTML or HTML-5 ???

Question

I am not a web developer but just got curious. Is the course in sololearn HTML or HTML-5? Because in the title, it just says HTML

Answer 1

HTML and HTML5, HTML5 is at the end of the course

Answer 2

Mohammad Anwer Thx 😊

Answer 3

HTML <!DOCTYPE> Declaration

https://www.w3schools.com/tags/tag_doctype.asp