GLOSSARY TERM
What is Lazy Loading?
Definition
A technique that defers loading of off-screen images and iframes until the user scrolls near them. Reduces initial page weight and improves LCP.
Why it Matters for AI Search
Native lazy loading via <img loading="lazy"> requires zero JavaScript and is supported in every major browser. Don't lazy-load above-the-fold images though — that delays your LCP element and hurts the very metric you're trying to improve.
Related Terms
LCP (Largest Contentful Paint)FCP (First Contentful Paint)PreloadDwell TimeCLS (Cumulative Layout Shift)Speed Index
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