What is scriptresource.axd?

  • It's HTTPHandler file
  • ScriptResource.AXD contains all of the clientside javascript routines for Ajax.
  • Automatically GZip/Compressing your scripts. 
  • Dynamically resolving Release/Debug scripts based on build parameters. This is useful, if you keep two types of the same script: one for debug, and one packed for release. 
  • Can be used for Non-MsAJAX Framework script assets such as jQuery.