Session

Deeply Debugging React Rendering

Have you ever asked "why is my React app rendering so slowly?"? Did you get an answer around excessive re-renders, too many DOM elements, too much JavaScript, or something in data loading? Developers tend to micro-optimize for the first case because it's easy to think about - but oftentimes the real bottlenecks are the other potential issues. Let's really dig into power-debugging slow React interface performance:

1. Standardizing on a performance mindset and strategy with the following steps: identification, investigation, implementation, and confirmation
1. What those three common causes of performance issues look like, and how to diagnose which one(s) are impacting your app
2. For each performance issue, strategies for measuring and resolving them
3. Tips and tricks for adding in CI and team processes to prevent performance bottlenecks from appearing in the first place

Attendees may enter this talk hesitant to commit to deep performance investigations - but with these tips, tricks, and tantalizing temptation of success, they’ll emerge with an eagerness to dive into their own apps. 💪

Josh Goldberg

Open Source Developer

Philadelphia, New York, United States

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