writing
Bundle size, web performance, and how to ship less JavaScript.
What webpack actually puts in webpack-stats.json: assets vs chunks vs modules, how the reasons array traces why a module ended up in your bundle, and how to generate and read it.
read →A walkthrough of finding and fixing three common culprits — a heavy date library, a whole icon pack import, a duplicated dep — then locking the saving in with a budget.
read →A performance budget is only real if the build fails when you cross it. How to set a bundle budget and wire it into CI in a few lines.
read →A practical map from JavaScript bytes to LCP, INP, and CLS — why a heavier bundle quietly degrades the metrics Google ranks on, and how to watch it.
read →Slow pages lose users and revenue. A tour of the public numbers — bounce, conversion, and engagement — and where JavaScript bundle size fits in.
read →