15. The system as claimed in claim 14 , wherein said one or more important terms include the most important concepts in said web-site's content, said means for performing further determining, for each web-page, a set of terms from the terms of said document set that minimizes a distance measurement from said document set.
16. The system as claimed in claim 15 , wherein said simulator device comprises: means for performing a top-k dominant competitor analysis, said means for performing a top-k dominant competitor analysis determining any web-page in a domain not belonging to said web-site, that is ranked higher than all said web-site pages belonging to said web-site for at least k important terms, where k is an integer.