Thank you for your interest in our products.
We offer ready solutions to common performance problems - script
combining and compression, viewstate
compression, CDN support
They're all very easy to use. Start by replacing ScriptManager with RadScriptManager and placing a RadStyleSheetManager on the page:
They require a common handler that you can register through the action tag in design time. I'll make a small correction to what Roatin said, the script combining is enabled by default for all RadControls.
My recommendation is that you evaluate RadScheduler in isolation, as using a complex page layout makes it harder to track down performance issues. In particular, RadSplitter with a fluid layout tends to slow down the rendering quite a bit as it requires multiple redraws. By understanding these implications you'll be able to make an informed decision on how to build your page.
I hope this helps.
the Telerik team
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