React
Profiling React Apps with the DevTools Profiler
A practical guide to using the React DevTools Profiler to find unnecessary re-renders and expensive commits before reaching for memoization.
3 min read
Tag
Debugging
4 articles
Performance
Browser Memory Profiling and Leak Hunting
A practical workflow for finding and fixing JavaScript memory leaks in browser apps using heap snapshots, detached DOM detection, and retainer analysis.
3 min read
Java
Hunting Memory Leaks with Heap Dumps
A Java memory leak is always a reachability bug. Heap dumps let you find exactly which reference is holding on, instead of guessing at flags.
3 min read
Performance
Profiling Before Optimizing: A Workflow
The fastest way to waste a sprint is optimizing code that was never the bottleneck — a repeatable workflow for measuring before you touch anything.
3 min read