{HEAD ~ Data values} are acquired for {TAIL ~ a set} of metrics for the target and each field web site 
are acquired for
{ HEAD ~ Data values } are acquired for { TAIL ~ a set } of metrics for the target and each field web site
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH