This is a topic many beginners overlook until they encounter performance issues in production.
One of the biggest surprises for developers is discovering that an application that worked perfectly during development suddenly becomes slow when real users start using it.
A Django application serving ten users may feel lightning-fast. The same application serving thousands of users can become frustratingly slow if performance wasn't considered from the beginning.
The good news is that most performance issues are predictable and preventable.
Let's explore some of the most common causes of slow Django applications and the techniques experienced developers use to keep their systems fast.
