Explore JavaScript Dependencies With Lighthouse TreemapFind your way with Lighthouse Treemap. Photo by Raphael Schaller on Unsplash Lighthouse Treemap is a new tool that helps us evaluate the efficiency of the JavaScript on our websites. It shows us: The bytes of JavaScript by file If sourcemaps are enabled, the bytes of JavaScript by module Bytes of JavaScript used versus unused (execution) for page load JavaScript is often the biggest culprit when i
