Web site development Web sites 565 Design 482 Application software 193 Development 188 Authoring programs 172 Computer programs 154 Internet programming 126 PHP (Computer program language) 95 Java (Computer program language) 80 Dreamweaver (Computer file) 70 Microsoft .NET 70 Active server pages 66 HTML (Document markup language) 64 Ajax (Web site development technology) 50 JavaScript (Computer program language) 50 Web servers 43 Cascading style sheets 41 Electronic commerce 33 XML (Document markup language) 33 Database management 32 MySQL (Electronic resource) 30 XHTML (Document markup language) 30 Web services 29 Internet marketing 28 Blogs 27 JavaServer pages 27 Data processing 26 Microsoft .NET Framework 25 Open source software 24