SPWebApplication.BrowserCEIPEnabled property
SharePoint 2013
Gets or sets a value that indicates whether the Customer Experience Improvement Program (CEIP) option is enabled in the browser.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
The CEIP option is used to enable the collection of Software Quality Metrics (SQM) data in the server farm to improve customer experience. Even if the CEIP option is not set for the server farm, it may be helpful in certain migration scenarios to allow the option to be set in the browser of the end user.