Asset bloating is one of the main reasons for slow load times and low Core Web Vitals. To fix this, you should optimize CSS and JS delivery paths.

Minification vs Bundling

  • Minification: The process of removing comments, whitespaces, and long variable names without altering execution code.
  • Bundling: Combining multiple files into a single bundle to reduce the number of HTTP requests required to render a page.

Effective Bundling Workflows

Use modern build systems (like Vite, Webpack, or ESBuild) to automate file optimization. These tools tree-shake unused scripts and output highly compressed files suitable for production servers.

Leveraging HTTP/2

If your host supports HTTP/2, bundling is less critical because multiple assets can download concurrently over a single TCP connection. However, minifying remains necessary to minimize total download payload sizes.

Conclusion

Optimizing static assets with minification and caching improves LCP scores and provides a smoother user experience, helping your site rank higher and earn more.