Why optimize images in a React app?
Because images are often the largest part of a frontend payload. Compress them, use modern formats like WebP, and lazy-load off-screen images so the initial load only downloads what is immediately visible.
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More FAQs in How to Reduce Bundle Size in a Large React App
Analyze with a bundle analyzer, code split routes with React.lazy, replace heavy libraries with lighter alternatives, tree-shake unused exports, remove unused dependencies, lazy load rare heavy widgets, and optimize images.
Use a bundle analyzer. It shows every dependency and its size, so you can find heavy libraries, accidentally shared chunks, and unused code. Never guess; the analyzer shows exactly what users download.
Code splitting routes with React.lazy. Users only download the code for the page they visit, so the initial bundle stays small and the first load improves significantly, especially on slow networks.
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