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Plesk Panel 11.5.30 and gzip

I know how it can be configured on Plesk for Linux but I do not know about Plesk for Windows.
But you can test gzip compression on your Plesk domain with following curl command:

curl --header "Accept-Encoding: gzip,deflate,sdch" -I http://domain.com
 
In order to use the gzip feature, you may have to enable the dynamic compression feature in the IIS feature pane. Do you have this feature enabled in the IIS?
 
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