require.ensure

Sohu Tech Products

Dec 2, 2020 · Frontend Development

Understanding Webpack Asynchronous Loading and Code Splitting Strategies

This article explains how Webpack's asynchronous loading mechanisms such as require.ensure and dynamic import() work, demonstrates practical examples for splitting bundles, discusses route lazy‑loading in Vue, and provides optimization techniques including splitChunks, CDN externals, and bundle analysis to improve frontend performance.