Quote; Premarket; Options; Chart; Insiders; Financials; Earnings; Filings; Analysts; Profile; Historical
XSL is a language for expressing style sheets. An XSL style sheet is, like with CSS, a file that describes how to display an XML document of a given type. XSL shares the functionality and is compatible with CSS2 (although it uses a different syntax). It also adds: 1  A transformation language for XML documents: XSLT.
XSD (XML Schema Definition) is a World Wide Web Consortium (W3C) recommendation that specifies how to formally describe the elements in an Extensible Markup Language (XML) document.ust as in XML and HTML, elements are defined within a set of tags. XSD has several advantages over earlier XML schema languages, such as Document Type Definition (DTD) or Simple Object XML (SOX).