1.ApoorvSaxena / lozad.js🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and moreperformancejavascriptlazy-loadinglazyloadhtmlimages+1 moreJavaScriptMIT7.5K total435 forks+18 starsfrom 7,470 · score 2.94