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.
PxLoader is a simple JavasScript library for creating preloaders and resource downloaders for HTML5 apps.
A Module Loader for the Web
Lazy load XT is a jQuery plugin for images, videos and other media
Version of the QueryLoader by Gaya Design. Preload images with ease.
Pilpil - Progressive Image Loading
A small, fast, modern, and dependency-free library for lazy loading.
A minimal AMD API implementation for use after optimized builds
Very lightweight progress bars. No jQuery
Loads images, scripts, styles, iframes, videos and audio asynchronously.