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Freek Van der Herten1 min readintro

Web Workers: A Second Thread for Your JavaScript

Read on freek.dev

Summary

This article briefly introduces Web Workers as a solution to prevent UI freezes when performing heavy client-side tasks like image resizing and compression. By offloading these operations to a separate thread, the main thread remains responsive for a smoother user experience.

  • Web Workers allow JavaScript to run on a background thread, separate from the main UI thread.
  • They prevent page freezes during intensive client-side operations like image processing.
  • A practical application is resizing and compressing large images before uploading them.
3/10
performancefrontendjavascriptweb workers

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