Browser Support

Telerik is a pioneer in offering cross-browser compatible components for ASP.NET. This has been, is and will remain a top priority for the company. If adding new features is difficult, just think about doing so while maintaining cross-browser compatibility. This requires careful design work, extensive testing and very deep understanding of the intricacies of all platforms (browsers).

The following tables list the browsers the UI for ASP.NET AJAX suite supports:

Desktop BrowsersWindows Mac OS Linux
Google Chrome
Current and previous
Microsoft Edge Current
FirefoxCurrent, previous and ESR
OperaCurrent and previous

Mobile BrowsersVersion
Safari MobileiOS 9.0+
Chrome MobileYes
Opera Mobile14.0+
Microsoft Edge Mobilelatest


  • End of support for Internet Explorer as of R1 2023
  • IE Compatibility Mode, which triggers IE7 emulation are not supported as of R3 2015
  • The Quirks Mode rendering engine for Internet Explorer is not supported, since it is based on Internet Explorer 5.5
  • Browsers in BETA stage are not supported

For best performance:

  • JavaScript must be enabled on all browsers
  • Caching must be activated
  • Follow the best practices discussed at: Optimizing Performance.