Progressive Image Loading: LQIP, Blur-Up and Lazy Load
Progressive image loading shows a blurry placeholder first, then swaps in the full image. Patterns for LQIP, blur-up, and SVG placeholders.
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Tags: image, performance, ux
Progressive Image Loading: BlurHash, LQIP, and ThumbHash Images are often the largest elements on a webpage and the primary cause of layout shifts and perceived slow loading. Even with proper lazy loading and next-gen formats, there's a gap between when the page renders and when an image fully loads — and during that gap, users see nothing but a blank white box. Progressive image loading techniques fill that gap with placeholder content: a blurry preview, a dominant color, or a tiny thumbnail that shows the visual "sense" of the image while the full version loads. The result is a dramatically smoother loading experience even on slow connections. Why Placeholder Images Matter Layout Cumulative Layout Shift (CLS) is a Core Web Vitals metric that measures how much the page jumps around as…
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