5 Common Mistakes to Avoid When Developing with Django

Mr Algo
3 min readApr 7


Developing web applications using Django can be a fantastic experience for programmers due to its fast development and excellent built-in features. However, developing with Django can be tricky, particularly for inexperienced developers. While the framework can be very forgiving, it still has some nuances that can result in common mistakes. Here are five common mistakes to avoid when developing Django.

Poor Data Modeling

Django offers a powerful Object-Relational Mapping (ORM) system, simplifying data modeling. However, inexperienced developers may fail to define data models correctly, resulting in database errors or inefficient queries. To avoid this, developers should ensure that their data models accurately reflect the business logic and relationships between the entities in the application. They should also understand how to use the Django ORM effectively to perform queries that are optimized for performance.

Not Utilizing Django’s Built-in Features

Django offers many features that can help developers create web applications efficiently. Many developers, particularly inexperienced ones, may fail to utilize these features effectively, increasing development time and complexity. Examples of Django’s built-in features include authentication, an admin interface, a template engine, and form handling. Developers should take time to explore and understand these features to leverage them efficiently.

Poorly Written Views

Views are at the heart of a Django application as they handle user requests and provide a response. Poorly written views can result in slow performance, incorrect responses, and insecure code. Developers should ensure that their views are written with clean and efficient code, perform necessary validations and error handling, and follow best practices for security.

Not Following Best Practices for Security

Security is crucial for any web application, and Django provides many features to help developers create secure applications. Developers may fail to follow best practices for security, such as using HTTPS, avoiding hard-coded secrets, and following the principle of least privilege. Developers should ensure that their application adheres to industry-standard security practices to protect user data and maintain their reputation.

Over-Engineering the Application

While Django can be incredibly powerful, developers may be tempted to over-engineer their applications by adding unnecessary complexity. This can lead to increased development time, difficulty maintaining the code, and decreased performance. Developers should avoid adding features or complexity that is not required, follow the DRY (Don’t Repeat Yourself) principle, and keep their code as simple as possible.


In conclusion, developing with Django can be a pleasant experience if developers avoid these common mistakes. Developers should ensure that their data models accurately reflect the business logic and relationships between entities, utilize Django’s built-in features, write clean and efficient views, follow best practices for security, and avoid over-engineering the application. Following these best practices, developers can create robust and secure web applications using Django.



Mr Algo

Python, Machine Learning, Deep Learning, Data Science, Django, Artificial Intelligence