Why Image Compression Matters
Images account for over 50% of the total byte weight on typical modern web pages. Reducing image payload directly improves Largest Contentful Paint (LCP), user retention, and mobile data usage.
Lossy vs Lossless
Lossless compression (such as PNG) removes redundant data without changing pixel values. Lossy compression (such as JPEG and lossy WebP) discards subtle visual high-frequency details that the human eye cannot easily perceive.
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