Performance

Published on
July 11, 2026
Finding a Redundant Traversal in Webpack With CPU Profiling
webpack performance cpu-profiling module-federation open-source
How CPU profiling revealed an unguarded moduleGraph.isDeferred() call in webpack ConcatenatedModule, the fix that landed upstream in webpack >= 5.108.0, and roughly 11 minutes saved on a large Module Federation build.
Published on
July 4, 2026
How to Identify Build-Time Bottlenecks Using CPU Profiling
performance cpu-profiling next-js webpack
A practical guide to capturing CPU profiles from Next.js production builds and using cpupro to isolate hotspots and form a hypothesis before diving into source code.

Finding a Redundant Traversal in Webpack With CPU Profiling