.ASPX File Extension

Active Server Page Extended

The ASPX file extension is for Active Server Page Extended Format. These web files work with Microsoft's ASP.NET framework. Web browsers request ASPX webpages. Web servers then translate the ASPX file...

General Information

Title ASPX File Extension
Extension .aspx
Full Form Active Server Page Extended
File Type Web Page
Developer Microsoft
MIME Type text/html

File Function

Primary Function Webform rendering
Additional Functions Server-side scripting
Features Event-driven, Compiled code

File Characteristics

Quality Highly functional
Supports Layers Code-behind separation
Supports Transparency Server controls
Editable Yes

Use Cases

Web Development Yes
Dynamic Content Yes
Enterprise Applications Yes

Security and Practices

Security Risks Code injection, XSS
Best Practices Input validation, HTTPS

Historical/Version Information

Initial Release 2002
Latest Update .NET 6 (2021)

Associated Types

Similar Extensions .asp, .asax, .ascx, .ashx

Software Compatibility

Software Usage Policy OS Compatibility
Internet Information Services (IIS) Free with Windows Windows
Visual Studio Free, Paid versions Windows, Mac
Mono Free Cross-platform