Metrics are detailed measures that feed Key Performance Indicators (KPI). Efficiency IT metrics measure the performance of an IT system. An effective IT metrics program should measure many aspects of performance including throughput, speed, and availability of the system. There should also be an organized way of documenting and reporting the findings of efficiency IT metrics. Although measuring efficiency of an IT system is important for evaluating and improving performance of an IT system, it is also important to make sure that an IT system is being utilized in a proper way to ensure effectiveness of business processes and is also in line with business objectives. Efficiency IT metrics is not to be confused with effectiveness IT metrics, which measures an IT system's effectivness from the standpoint of a business tool.
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