 Gadzira shanduro yakaoma yemutsara uyu Imwe nzira yakatwasuka yekuyera i Web Impact Factor WIF yakaunzwa naIngwersen 1998.Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti Chimwe chiyero chakananga chiriWeb Impact FactorWIF inotsanangurwa naIngwersen muna 1998 sehuwandu hwemapeji ose ekubatanidza, akaparadzaniswa nenhamba yemapeji ewebhu akabudiswa panzvimbo ino inowanikwa kune crawler. 