| Web Servers & Operating Systems | |
| IIS Microsoft Internet Information Services web server | 5.8M sites |
| Windows Server Microsoft server operating system for hosting applications | 6M sites |
| Languages & Back-End Frameworks | |
| Microsoft ASP.NET Microsoft web application framework for building server-side apps | 9M sites |
| other | |
| Hi3G | 958 sites |
| Outlook Web App Browser-based email and calendar client for Microsoft Exchange | 134.3K sites |
A free account doubles your daily searches.