Ajax (Web site development technology) Web site development 50 Web sites 30 JavaScript (Computer program language) 29 Design 24 Microsoft .NET 15 Java (Computer program language) 12 Internet programming 11 PHP (Computer program language) 11 Application software 10 Development 8 Authoring programs 7 Cascading style sheets 6 Asynchronous transfer mode 4 Active server pages 2 Application software -- Development 2 Computer science 2 Database management 2 Document Object Model (Web site development technology) 2 Google 2 RTF (Document markup language) 2 Web 2.0 2 Web servers 2 Web site 2 Computer networks 1 Dreamweaver (Computer file) 1 Handbooks, manuals, etc 1 Security measures 1 Software engineering 1