XML (Document markup language) Web sites 49 Design 47 Internet programming 39 Web site development 33 Java (Computer program language) 31 HTML (Document markup language) 27 XHTML (Document markup language) 21 Database management 16 Development 14 Electronic commerce 14 World Wide Web 13 Application software 11 JavaScript (Computer program language) 10 Electronic data processing 9 XSLT (Computer program language) 9 Data processing 8 Distributed processing 6 Microsoft .NET 6 Microsoft .NET Framework 6 Numerical analysis 6 Oracle (Computer file) 6 Science 6 Web publishing 6 Macromedia Studio MX 5 Relational databases 5 Semantic Web 5 Software radio 5 UML (Computer science) 5 C++ (Computer program language) 4