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  Automatically Compress Images to a Target Size Using Compressor.js

  2025-10-05

  This tutorial demonstrates how to use the JavaScript library Compressor.js to automatically compress images to a specific file size (e.g., under 600KB), convert them to the modern WebP format, and enforce maximum width/height constraints. The approach uses recursive quality reduction to maintain the best image quality while ensuring the file size meets the requirement.

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  Progressive Image Loading like Medium

  2019-10-07

  Outline of this article: Three ways to progressive images loading, Three steps of Medium Progressive Images Loading, Code Part, Test page loading time