What is font end ? And xhtml

Question

font end

Answer 1

xhtml is the extention of html. It is more strictier than html. example in html you can leave some tags that are supposed to be closed unclosed and all is fine, but with xhtml you have to close all closed tags accordingly

Answer 2

front end: the part of the website that the public uses and sees
xhtml: it's a disused extention of html4. it lost against html5.