lazySizes – High performance lazy loader for images (responsive and normal)


lazysizes is a fast (jankfree) lazyloader for images (including responsive images), iframes and scripts/widgets without any dependency. It may become also your number one tool to integrate responsive images. Due to the fact that it can also automatically calculate the sizes attribute for your responsive images, it helps to seperate layout (CSS) from content/structure (HTML) and makes integrating responsive images into any enviroment simply simple.


DEMO    GitHub