Performant Element lazy Load Library – Lozad
Lozad is a small, highly performant JavaScript library used to lazy load any html elements (e.g. images, videos, etc.) using Intersection Observer Web API.
JavaScript & CSS lazy load
Pure JavaScript Library For Lazy Loading Images – lazyload.js
lazyload.js is a stand-alone JavaScript library for lazy loading images without any dependencies.
Delay Loading Of Iframe Embedded Content Until Clicking – lazyembed.js
lazyembed.js is a lazy loading library for iframe embedded content such as Youtube/Vimeo videos, Google Maps, etc. The library delays the loading of these iframe content until clicked, with custom placeholder support.
Vanilla JavaScript Library For Image Lazy Load – vanillaLazyLoad
Yet another vanilla JavaScript library that helps delay the loading of images until they become visible in the viewport.
Modern Retina-ready Image Lazy Loader – lazyestload.js
A modern, fast, lightweight image lazy load JavaScript library that provides 2 methods to lazy load images with support for retina and responsive images.
Lazy Load Youtube Video With JavaScript – llyv.js
llyv.js is a Youtube Video lazy load library which allows the user to load Youtube Video Players on demand.
Responsive Image Lazy Load JavaScript Library – responsivelyLazy
responsivelyLazy is an ultra-light javascript library which allows you to delay the loading of appropriate images based on the width of their parent containers.
Responsive Image Lazy Load JS Library – lazysizes
lazysizes is an easy yet robust JS library used to delay the loading of images (iframes, scripts, etc) until they come into view.
Tiny JavaScript Library For Progressive Image Lazy Loading – Progressively
Just another fast, dependency-free JavaScript library used to lazy load images with a progressive blur loading effect as you seen on Medium or Instagram.
Lazy Load iFrame Embedded Content With JavaScript – lazyframe.js
lazyframe.js is a native JavaScript library used to delay the loading of iframe content for Google Maps, Youtube/Vimeo/Vine videos and so on.