Take the 2-minute tour ×  I've noticed that many web sites are
being designed under XHTML Transitional despite adhering to most
modern web design practices. I thought transitional was meant as
a temporary solution for porting over old markup that may
require too much effort to redesign.  And many web sites don't
even validate properly under Transitional. I try very hard to
adhere to the strict standards under the belief that improper
markup leads to much difficulty debugging when something doesn't
work. However, it is a lot of work writing 100% valid code.  I'm
curious as to whether or not it's worth putting in the effort to
learn and write XHTML strict compliant markup.  EDIT: And if it
is, why don't more people do it? It seems rather rare for me to
stumble upon a proper XHTML strict web page.  share|improve this
question add comment  4 Answers  up vote 4 down vote accepted
Short answer: no.  I've never found Strict XHTML to be worth the
effort.  The first problem with it is that it deprecated a
number of H