Syntax: select Yes or No button
This tells the Search Appliance to force the values (but not names) of variable parameters in URL query strings to lowercase.
Sometimes sites specify parameters with mixed capitalization but the returned content is the same. In such cases using this option can reduce the amount of time, bandwidth, and processing involved in downloading and processing those pages only to discard them as duplicates.
With this option on this URL
http://www.example.com//page.aspx?id=432&state=A3N4&printit=Y
will become
http://www.example.com//page.aspx?id=432&state=a3n4&printit=y