Lazy Loading for Performance
A performance-first guide to lazy loading: which images, iframes and videos to defer, which to never defer, how to avoid layout jumps, and how to audit a page. Includes a scroll lab and a live lazy-loading checker.
A performance-first guide to lazy loading: which images, iframes and videos to defer, which to never defer, how to avoid layout jumps, and how to audit a page. Includes a scroll lab and a live lazy-loading checker.