The metrics scores and the performance score are defined according to these ranges: 0 to 49 – poor, marked with the red color. 50 to 89 – needs Improvement, marked with the orange color. 90 to 100 – good, marked with the green color. The scoring algorithm is based on the following calculation: Errors = issues error counter + (issues warning counter / 10); Total = issues passed counter + Errors; Error Ratio = Errors / Total;