Pilpil
Pilpil - Progressive Image Loading
Webpack
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.
Blazy
bLazy is a lightweight lazy loading and multi-serving image script. It's written in JavaScript why it doesn't have any dependencies for 3rd party libraries like jQuery. bLazy is working in all modern browser including IE7+.
Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Px Loader
PxLoader is a simple JavasScript library for creating preloaders and resource downloaders for HTML5 apps.
Lazy Load Xt
Lazy load XT is a jQuery plugin for images, videos and other media
Script.js
Asyncronous JavaScript loader and dependency manager
Aload
Loads images, scripts, styles, iframes, videos and audio asynchronously.
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
Imagesloaded
JavaScript is all like "You images done yet or what?"
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS
RequireJS
A file and module loader for JavaScript
Lazysizes
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Sea.js
A Module Loader for the Web
Java Script Load Image
JavaScript Load Image is a library to load images provided as File or Blob objects or via URL. It returns an optionally scaled and/or cropped HTML img or canvas element. It also provides a method to parse image meta data to extract Exif tags and thumbnails and to restore the complete image header after resizing.
Query Loader2
Version of the QueryLoader by Gaya Design. Preload images with ease.
Almond
A minimal AMD API implementation for use after optimized builds