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Core Concepts Wiki Entry

Lazy Loading

Deferring image and resource loading until needed in the viewport.

Lazy loading reduces initial page weight, accelerates first paint and improves Core Web Vitals. The native loading="lazy" attribute on images and iframes is now widely supported. Avoid lazy-loading hero images and above-the-fold content, which delays LCP. Wix applies lazy loading automatically while preserving above-the-fold image priority.

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