Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Script.js
Asyncronous JavaScript loader and dependency manager
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Pilpil
Pilpil - Progressive Image Loading
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
Px Loader
PxLoader is a simple JavasScript library for creating preloaders and resource downloaders for HTML5 apps.
Aload
Loads images, scripts, styles, iframes, videos and audio asynchronously.
Almond
A minimal AMD API implementation for use after optimized builds
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies
Imagesloaded
JavaScript is all like "You images done yet or what?"
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.
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
Layzr.js
A small, fast, modern, and dependency-free library for lazy loading.
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.
Nanobar
Very lightweight progress bars. No jQuery