Tech Content
8 minutes

Every software development process depends on the quality of code. That's why code audits are a critical aspect of software development.

Each review involves analysis and evaluation of the quality and performance of the code. Audits aim to identify and resolve any bugs, improve its overall quality, and make the code more secure. Code audits can be performed in various technical, compliance, and security domains. They play a crucial role in ensuring the success of a software project and its long-term maintenance.

In this article, we'll provide a short overview of these issues and how to address them. Issues like unoptimized code, inconsistent code style, security vulnerabilities, poor performance, and more are a part of every code reviewing process.

So, if you're looking to gain a deeper understanding of code and you want to understand the most common issues found, read on!

What is Code Audit

In short, the purpose of code audits is to identify and resolve any problems in the code. It also focuses on issues related to performance and a variety of code problems.

The benefits of code audits include increased reliability, improved efficiency and maintenance, and reduced risks of security breaches. Code analysis should be performed by experienced software engineers and developers with expert-level understanding of the latest coding practices, programming languages, and software development methodologies.

Types of Code Audits

There are several types of code audits, including:

  • Technical Code Audits
  • Compliance Code Audits
  • Security Code Audits

Technical code audits serve to evaluate the quality and efficiency of the code on a technical level. Technical audit can easily identify situations where code quality and efficiency are not aligned with requirements.

Compliance code audits need to ensure that the code is in line with industry regulations, and privacy and data protection laws.

Finally, security code audits help developers identify and resolve any security vulnerabilities in the code, including threats such as SQL injection, cripting (XSS), cross-site request forgery (CSRF), and broken authentication and session management.

Importance of conducting code audits

Why are code audits essential for software development projects? In short, they can help to ensure the long-term success of the project by reducing risks that can cause significant disruptions and delays. It is important to note that code audits should be performed on a regular basis, especially in the early stages of software development. This allows developers to identify and resolve issues early on, before they become more significant and difficult to resolve. Additionally, code audits can help to improve the overall quality and performance of the code improves as well as increased customer satisfaction and better business outcomes.

If you want be sure that the code you are working on is ready for the next stage, here's what you need to review:

  • front and backend code quality
  • scalability
  • overall performance
  • architecture analysis
  • weak maintenance
  • code security

Common Issues Found in Code Audits

There are a number of different bugs you can find during even the most basic code audit. However, some of them are more common than others, and we want to focus your attention on what are the most probable scenarios you will encounter.

Unoptimized Code Guides

Unoptimized code guides are one of the most common issues found in code audits. This refers to code that is not written in the most efficient way, resulting in poor performance. Unoptimized code can cause many serious problems, including increased latency, decreased user engagement, and reduced customer satisfaction.

To address the problem, it's important to focus on improving code efficiency, reducing the amount of resources used, and reducing the amount of time to execute the code. This can be done with different algorithms, using efficient data structures, and reducing the number of loops and nested loops.

Inconsistent Code Style

Inconsistent code style is another common issue we come across. This refers to code that is written in different styles and formats, making it easier to read, maintain, and debug. Inconsistent code style can also make it difficult for other developers to understand code and contribute to the project. This can be a big problem for companies that often rotate their developers and need to use the same programming standards throughout their processes

To address inconsistent code style, it's important to establish a consistent coding style used during the development process. It can be done by using a style guide or coding standards document and by reviewing code regularly to ensure that it follows the established style. Explaining the style to everyone on the team and checking it regularly can also contribute to the creation of a cleaner code.

When working with a team of developers, it's easier to have the code production under better control. By following your guidelines, teams can produce code by following approved guidelines to ensure the best quality of code delivered.

Consistent code style benefits are: 

  • improved readability
  • better maintainability
  • code is more understandable for new developers
  • teams are not losing time explaining the rules

Security Vulnerabilities

Security vulnerabilities are often one of the major concerns for code auditors. Why? Because they can have serious consequences if not addressed. This refers to weaknesses in the code that attackers can exploit to gain access to sensitive data, compromise the system, or cause other security-related problems.

To address security vulnerabilities, it's important to implement security best practices and conduct essential security assessments. This can be done by:

  • using a web application firewall
  • encrypting sensitive data
  • using secure authentication and authorization methods

Additionally, it's important to keep software and systems up-to-date and to patch any known vulnerabilities as soon as possible. Softjourn's experts recommended using code audit tools such as static analysis software and penetration testing to identify and resolve any security issues in the code.

Inefficient Algorithms

Inefficient algorithms can cause significant performance issues in code. They make it slow and unresponsive, plus they can cause the system to crash or become unavailable.

To address inefficient algorithms, it's important to review and optimize the algorithms used in tessentialThis can be done by using algorithms that are optimized for specific use cases, reducing the number of unnecessary calculations, and by using data structures that are optimized for performance.

Duplicate Code

Duplicate code is another common issue found in code audits. This refers to code repeated multiple times throughout the codebase, making it difficult to maintain and update. Duplicate code can also increase the size of the codebase, making it more difficult to manage and debug.

To address duplicate code, it’s important to eliminate any duplicated code and to use functions, classes, and libraries where appropriate. This can help to reduce the size of the codebase and improve maintainability.

Poor Comments and Documentation

Poor comments and documentation can make it difficult for other developers to understand the code and contribute to the project. It can also make maintaining and updating the code difficult over time.

To address poor comments and documentation, it's important to provide clear and concise comments and to create detailed documentation that provides an overview of the comment and its purpose. This can help improve the code's understandability and make it easier to maintain over time.

Incorrect Code Logic

The incorrect code logic is another common issue found in code audits. This refers to code that does not produce the intended results, leading to incorrect behavior and unexpected outcomes. Incorrect code logic often leads to errors and crashes in the system, as well as decreased customer satisfaction.

To address incorrect code logic, it's important to test the code thoroughly and to use debugging tools to test the code issues. Having multiple developers review the code will quickly identify any potential issues is also recommended.

If you don't have access to additional teams of developers for your project - Softjourn can help.

Unnecessary Code

Unnecessary code refers to code that is not used or is no longer needed, making the unused or no longer needed code.

Unnecessary code can also slow down the system and make it more difficult to identify and resolve other issues in the unnecessary code, it's important to review and clean it up to remove what is not used or is no longer needed. This can help reduce the codebase's size and improve its overall quality.

Lack of Error Handling

Lack of error handling is another common issue found in code audits. This refers to code that does not properly handle errors, leading to unexpected behavior and crashes in the system. A lack of error handling can also make identifying and resolving other issues in the code difficult to resolve.

To address the lack of error handling, it's important to implement error handling throughout the code. It can be done by using try/catch blocks, logging errors, and displaying user-friendly error messages to the user.

Proper error handling can improve the system's stability and make it easier to identify and resolve other issues in the code.

Poor Code Architecture and Design

Poor architecture and design can make the code difficult to maintain, scale, and update over time. This can lead to increased costs, decreased customer satisfaction, and decreased competitiveness in the market.

To address poor architecture and design, it's important to follow established methodologies and the industry’s best practices. This can include using modular design, separating concerns, and using loose coupling. In addition, proper architecture and design can help ensure the code is scalable, maintainable, and easily updatable over time.

Lack of Testing

Lack of testing is another common issue we hear from our clients. Some companies don't have the time or resources to invest in this process. However, it always comes at a high cost as code that has not been thoroughly tested often starts behaving unexpectedly. Lack of yearly testing can also make identifying and resolving other issues in the code difficult, as developers don't know where to look for problems.

To address this problem, it's important to implement a comprehensive testing routine throughout the development process. This can include regular:

  • unit testing
  • integration testing
  • acceptance testing.

Inadequate Performance Optimization

Inadequate performance optimization is another common issue found in code audits. This refers to poorly optimized code, leading to slow performance and decreased user experience. Ineffective performance optimization can also increase memory consumption, increase costs and reducing scalability.

Reviewing and optimizing the code for performance regularly is essential to address inadequate performance reduction. This can include: 

  • optimizing algorithms
  • reducing the number of unnecessary calculations
  • using data structures that are optimized for performance

Proper performance optimization can help ensure the code is fast, responsive, and scalable.

The Final Word

Code audits are a key aspect of software development. By understanding and addressing common issues found in code audits, such as unoptimized code, inconsistent code style, security vulnerabilities, inefficient algorithms, and inadequate performance optimization, your team can make a difference.

Don't let common issues in code audits hold you back from delivering top-quality software. Softjourn's team of expert developers can help you identify and resolve these issues, so you can focus on delivering innovative and reliable software. 

Our services include code audits, performance optimization, security testing, and more. So whether you need help improving the quality of your existing code or developing a new project from the ground up, Softjourn is here to help. Contact us today to learn more about our services and how we can help you take your code to the next level.