SEO Glossary
XHTML
Acronym for Extensible Hypertext Markup Language. XHTML is an updated form of HTML that borrows many features and enhancements from XML.
XML
Acronym for Extensible Markup Language. Also the standard filename extension of XML documents. XML is a type of generic markup language; it can be used to create other markup languages or as a form of structured data representation. XML is also very useful for exchanging data across different computing platforms; XML data retains its format and meaning regardless of the platform it is processed on.
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