Aspnet Ajax Performance Improvement

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  • 1. Microsoft GCR CSS Ready to showPresentation
    -- Lance Zhang
  • 2. Tech topic
    ASP.NET AJAX Performance Improvement
  • 3. AJAX Overview
    AJAX (asynchronous JavaScript and XML), is a group of interrelated web development techniques used for creating interactive web applications or rich Internet applications.
  • 4. AJAX frameworks
    There are more than 100 popular AJAX Frameworks
  • 5. Performance Issues ?
  • 6. Experiment Page
  • 7. Performance Analysis
    • HttpWatch to show the network traffic.
    • 8. ScriptReferenceProfiler to show the JavaScript reference.
  • The Network Traffic
  • 9. The JavaScript References
    ScriptReferenceProfiler http://www.codeplex.com/aspnet/Release/ProjectReleases.aspx?ReleaseId=13356
  • 10. Optimization in Web.config
  • 11. Enable The Caching
  • 12. Enable The Compression
  • 13. Optimization in ScriptManager
  • 14. ScriptMode
    Scott Guthrie‘s post:
    Don’t leave the <compilation debug=”true”/>
    It will cause:
    • The compilation of ASP.NET pages takes longer
    • 15. Code can execute slower
    • 16. Much more memory is used within the application at runtime
    • 17. Scripts and images downloaded from the WebResources.axd handler are not cached
  • EnablePartialRendering
    EnablePartialRendering:
    It gets or sets a value that enables partial rendering of a page, which in turn enables you to update regions of the page individually by using UpdatePanel controls.
    will be16
  • 18. LoadScriptBeforeUI
    Moving ASP.NET AJAX scripts after visible content
  • 19. Script D
    Script Combination
  • 20. ToolkitScriptManager
  • 21. CompositeScript
    ASP.NET 3.5 with SP1
  • 22. Summary
  • 23. Thank you!
    &
    Questions?