A small, fast, modern, and dependency-free library for lazy loading.
pushState + ajax = pjax
Version of the QueryLoader by Gaya Design. Preload images with ease.
Pilpil - Progressive Image Loading
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.