Not all settings in web.config are delegated when you deploy your web application to Windows Azure websites. Some settings in web.config are delegated, and they reflect on your sites, while other settings are respectfully ignored, and disabling compression is one of them, which is why you see the above results. Using the exact same web.config parameter or using Appcmd, you can disable compression only if you have enough control on the IIS server. While this feature is important to you, your other options are to use the Windows Azure cloud service and deploy a web role or use Windows Azure virtual machines.
Iām sure that disabling the compression feature on Windows Azure websites is still not delegated and therefore not supported in the current version of Windows Azure Website Previews . I can say that this is certainly a function that should be included in later versions, however, about this availability, when it is possible or not, I have no comments.
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