New answers tagged performance
It seems like your SharePoint root certificate has trust validation issues. You can try to export that certificate and then import it into the trusted certificates store on each SharePoint server. More details can be found here: http://support.microsoft.com/kb/2625048
My problem solved! Have look at: http://blog.blksthl.com/2013/05/15/sharepoint-2013-page-loads-takes-a-very-long-time/
There is a variable added to every page with time controls by SharePoint, at least I think its on every page. It's named g_strDateTimeControlIDs . It has a property for each time control, with this syntax: SP + InternalFieldName So for Appointment Date, if was named like that to start with the internal name would be Appointment_x0020_Date. To get the ID ...
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