<prompt> Translate the following text to EnglishKwa mfano, vipindi vya wavuti vilihesabiwa katika toleo la 2001 la mfumo, lakini hii ilithibitika kuwa dhana isiyo wazi ambayo ilitoa idadi kubwa lakini habari kidogo inayoweza kutumika.  <response>: For example, web hits were counted in the 2001 version of the system, but this proved to be a vague concept that produced huge numbers but little useable information. 