lazySizes, the ultimate and lightweight lazyLoader

Scripts

lazySizes is the ultimate and lightweight lazyLoader which lazy loads images (including responsive images (picture/srcset)), iframes and scripts. It is written in VanillaJS and with high performance in mind. LazySizes supports low quality image placeholder pattern (recommend for above the fold/crictical images), normal image pattern (for non-critical images or in case there is no low…