Code Quality Metrics

Mykhailo Glodian Mykhailo Glodian / 24 October 2020 2 min read

Code quality metrics

Code Quality Metrics

Code quality is an important aspect of programming. Whatever language is used to write the code, a high-quality code is always reflected in the end product. However, the question stands – what is code quality?

The definition of code quality is subjective. Something that might be considered good by one person, might not get the same response from another. However, a good quality code can be characterized as clean, efficient, and reliable.

a good quality code can be characterized as clean, efficient, and reliable
Code Quality Metrics

Code quality metrics can be used to determine code quality. Let’s discuss some of the common metrics:


Extensibility refers to the scalability of your code and how well it can incorporate future changes and growth. This is particularly important for extensible applications where the developers need to make sure there is room for changes and improvements in the future – without disrupting the whole system.


Maintainability is how well your code reacts to changes. The risks of tweaking around with the code should be low and it should work well with most changes in the overall flow.


Your code should be easy to understand. Indentations and spaces should be used to format the code to make sure it is readable. This also helps in the debugging process. Add comments and small explanations for code as well.


A good quality code should not be ambiguous. That is, you should understand what the code does by taking a look at it. This comes particularly handy in collaborations so developers can understand code they have not written.


Your code should be efficient. It should not be taking hours to run when it can take a few minutes with an alternative method. Inefficient code takes longer to build and is difficult to debug as well.


Documentation helps developers understand your code. If it is well documented, developers can get an idea of what your code does and how it proceeds. This saves a lot of time and helps in collaboration with other development parties.

Overall, code quality can play a major role in the efficiency and working of your product. A good quality code results in better outcomes and collaborations.