Aspnet Ajax Performance Improvement
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Aspnet Ajax Performance Improvement

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Aspnet Ajax Performance Improvement Aspnet Ajax Performance Improvement Presentation Transcript

  • Microsoft GCR CSS Ready to showPresentation
    -- Lance Zhang
  • Tech topic
    ASP.NET AJAX Performance Improvement
  • 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.
    View slide
  • AJAX frameworks
    There are more than 100 popular AJAX Frameworks
    View slide
  • Performance Issues ?
  • Experiment Page
  • Performance Analysis
    • HttpWatch to show the network traffic.
    • ScriptReferenceProfiler to show the JavaScript reference.
  • The Network Traffic
  • The JavaScript References
    ScriptReferenceProfiler http://www.codeplex.com/aspnet/Release/ProjectReleases.aspx?ReleaseId=13356
  • Optimization in Web.config
  • Enable The Caching
  • Enable The Compression
  • Optimization in ScriptManager
  • ScriptMode
    Scott Guthrie‘s post:
    Don’t leave the <compilation debug=”true”/>
    It will cause:
    • The compilation of ASP.NET pages takes longer
    • Code can execute slower
    • Much more memory is used within the application at runtime
    • 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
  • LoadScriptBeforeUI
    Moving ASP.NET AJAX scripts after visible content
  • Script D
    Script Combination
  • ToolkitScriptManager
  • CompositeScript
    ASP.NET 3.5 with SP1
  • Summary
  • Thank you!
    &
    Questions?