RadScriptManager and RadStyleSheetManager - General Info and Online Resources

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    Telerik Admin
    Telerik Admin avatar
    1697 posts
    Member since:
    Oct 2004

    Posted 21 Jan 2009 Link to this post

    RadScriptManager and RadStyleSheetManager controls.
    These "manager" controls enable you to easily combine in to a single link all of the JavaScript and CSS links required by the RadControls. Why combine? One of the biggest bottlenecks for browsers these days is created by the concurrent requests limit. By default, both IE and Firefox limit concurrent requests per server to 4, as is recommend by the HTTP RFC guidelines. This limit can be changed, but expect few of your users to actually have done so as the process requires advanced computer skills.

    With a limit of 4 concurrent requests (2 persistent connections), you can see how easy it is to clog the pipe with all of the request for images, JavaScript, and CSS on your page. Combining many links for CSS and JavaScript in to a single request can significantly improve your page load time by reducing the number of round-trip requests your page makes when it loads. And by doing the combining dynamically at runtime you don't have to send any unnecessary JavaScript to the client (for controls not in use) or manually maintain combined JavaScript files.

    To get familiar with the controls please follow these online resources:

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