Performance is an important consideration when developing a website or an app. Nobody wants an app that crashes or a website that doesn't load, especially when the users' waiting time is limited. According to Kissmetrics, 47% of website visitors expect a website to load in less than 2 seconds, and 40% will leave if the loading process takes more than 3 seconds.
Measure the real-world performance of an application: It's important to measure the performance of an application in a real-world scenario, rather than just in a controlled environment. This can help identify performance issues that may not be apparent in a controlled setting.
Use synthetic performance tests: Synthetic performance tests are tests that are designed to simulate the performance of an application under specific conditions. These tests can help identify performance issues that may not be apparent in real-world usage.
It is critical to strike a balance between code readability and optimization. Computers interpret the code, but we need to ensure that it can be maintained in the future by ourselves or others, so it must be understandable.
Remember that performance should always be considered, but it should never be prioritized over debugging and adding functionalities.
Sometimes, people really just care about what works.
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