Script.js
Asyncronous JavaScript loader and dependency manager
Imagesloaded
JavaScript is all like "You images done yet or what?"
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.
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies
Head js
The only script in your HEAD. Head JS loads JavaScript files in parallel like images without blocking the page. Your page will be faster. Even with a single combined file.
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.
RequireJS
A file and module loader for JavaScript
Pilpil
Pilpil - Progressive Image Loading
Layzr.js
A small, fast, modern, and dependency-free library for lazy loading.
Almond
A minimal AMD API implementation for use after optimized builds
Sea.js
A Module Loader for the Web
jQuery Pjax
pushState + ajax = pjax
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
Nanobar
Very lightweight progress bars. No jQuery
Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS