Pilpil
Pilpil - Progressive Image Loading
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Script.js
Asyncronous JavaScript loader and dependency manager
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.
Almond
A minimal AMD API implementation for use after optimized builds
Aload
Loads images, scripts, styles, iframes, videos and audio asynchronously.
Sea.js
A Module Loader for the Web
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.
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
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.
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+.
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS
Layzr.js
A small, fast, modern, and dependency-free library for lazy loading.
Query Loader2
Version of the QueryLoader by Gaya Design. Preload images with ease.
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.