The method continues with acquiring data values for {TAIL ~ a set} of {HEAD ~ metrics} for each field web site 
The method continues with acquiring data values for { TAIL ~ a set } of { HEAD ~ metrics } for each field web site
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH