In the method, {TAIL ~ a specification} of the target web site is received, and a number of {HEAD ~ field web sites} related to the target web site are identified 
In the method , { TAIL ~ a specification } of the target web site is received , and a number of { HEAD ~ field web sites } related to the target web site are identified
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH