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The List of Most Essential Metrics to Measure Software Quality

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Nick Karlsson
The List of Most Essential Metrics to Measure Software Quality

This article highlights the list of crucial metrics to measure software quality and the benefits of using the parameters to improve it. 

A small bug can cause software failure, which could ruin the end-user experience and can affect sales. In this changing software industry, it is imperative to deliver high-quality software to cater to end-user demands. 

Software quality is of utmost importance, and many teams find it challenging to find the correct parameters to measure quality. A QA strategy builds on the right QA metrics is effective and helps to release great software. 

Why do we need quality metrics?

We need quality metrics to improve your software quality framework, which also helps in estimating the schedule and cost of future projects. The main aim is to use the data.

The quality metrics should have the following features: 

  • Measurable
  • Actionable 
  • Trackable over time 
  • Maintained and updated regularly
  • Mapped to business goals 

The quality assurance process can be time-consuming, which hinders the deployment of the software. The critical metrics for the QA process identifies where the team’s time and budget are allocated. The software quality measures the efficiency of the testing process and its effectiveness in finding the bugs. It also prevents leakage of bugs. The bugs which slip through the testing process can leave a negative impact on your product. QA analysts also invest in using effective quality assurance software to deliver quality and high-performing software. 

There are critical parameters which should be defined in your QA strategy : 

These test metrics help in improving software quality and improving team efficiency. 

1. Test coverage 

This includes the number of test cases spread across the codebase, and this provides details about the resources being used. Test coverage helps in understanding the areas which need more testing. The areas where the team needs to focus more. 

2. Unreliable test cases

This metric checks unreliable, a flaky test that fails to provide any useful feedback; instead, it consumes more time and resources. The metric helps in analyzing poorly written test cases, human errors, intermittently fail or pass test cases. 

3. Time to test 

This metric measures the time required to run, execute, and report the results of the test cases. The process helps testers to understand the efficiency of the current test cases. It helps in time management for smoke and regression testing for the upcoming build. 

4. Time to fix

This metric helps in evaluating the time consumed in fixing bugs. It also gives information on the communication levels between developer and tester. The effectiveness of resolving bugs. 

5. Escaped Bugs 

This metric is the direct indicator of software quality. It helps in reporting the number of leaked bugs that are reported by end-users. It measures the number of defects that reached production, the number of customers impacted, production area, and time consumed to fix it.  

6. Net Promoter Score (NPS)

NPS is a useful quality indicator that defines the probability of a current user to refer the product to others. The only challenge is to map to specific quality issues. It helps assess end-user satisfaction and product performance. 

 

Conclusion 

The software quality metrics are a great help in taking decisions to improve quality with time. It helps the project manager in gaining insights about teams’ productivity and efficiency. Decisions based on quality metrics save time and effort and improves the quality of the end product. 

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