yall.js is a featured-packed lazy loading script for <img>, <picture>, <video> and <iframe> elements and works with modern browsers.
lazysizes is a fast 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.
lazyYT.js is a jQuery plugin to lazy load Youtube videos. On the initial load, the div will be replaced by a preview img of the video. On hover, the preview img will be replaced by the iframe Youtube video.
Lazyload Any is a jQuery plugin provides a lazyload function for images, videos, iframe or anything.
