XHTML Tutorial

The XHTML tutorial explains both the basics and more advanced ideas about XHTML. Our XHTML tutorial is made for both newbies and experts. XHTML is a stricter version of HTML that uses more XML.

What does XHTML mean?

EXtensible HyperText Markup Language, or XHTML, is what it stands for.
XHTML is a stricter version of HTML that uses more XML.
XHTML is HTML that has been made into an XML application.
XHTML is supported by all major browsers

Why use XHTML?

XML is a language for marking up documents, and all of them must be marked up correctly (be “well-formed”).

XHTML was made so that HTML could be used with other data formats in a more flexible way (such as XML). Also, browsers don’t care about mistakes on HTML pages and will try to show the website even if it has mistakes in the markup. So XHTML has a much stricter way to handle errors.

What’s Most Different from HTML?

!DOCTYPE> has to be there.
The xmlns attribute in <html> is mandatory\s <html>, <head>, <title>, and <body> are mandatory
Elements must always be properly nested
Elements must always be closed
Elements always have to be in lowercase
The names of attributes must always be in lowercase.
The value of an attribute must always be quoted.
Minimizing an attribute is not allowed.

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