Display Blurry Placeholders While Loading Images – unlazy
An SEO-friendly and framework-agnostic lazy loading library that displays a blurry image placeholder until the original image is completely loaded.
JavaScript & CSS lazy load
Pure JavaScript Native Lazy Loading Polyfill
A small vanilla JavaScript polyfill for the loading=”lazy” attribute.
Lightweight Retina Ready JS Image Lazy Load Library – Layzr.js
Layzr.js is a lightweight yet robust JavaScript library that delay the loading of images until they’re scrolled into view.
Easy Lazy Loading Plugin For Images – lazyloading.js
A vanilla JavaScript library that enables lazy loading functionality on your site without having to add extra attributes to the original images.
Pure JavaScript Library For Lazy Loading Images & Videos – lazyload.js
A stand-alone JavaScript library for lazy loading images, videos, and iframes without any dependencies.
Lazy Load Images/Backgrounds/Iframes With JavaScript – TinyLazyLoad
A really simple and lightweight JavaScript lazy load library that supports images, iframes, and background images.
Lazy Load Embed YouTube Player – youtube-iframe
A JavaScript library that easily adds Lazy Loading functionality to your Youtube videos embedded in your document.
Show Images Only If They Are In Viewport – ldlazy
A Vanilla JavaScript lazy loading library that shows images only if they are in the viewport.
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.
Dynamic Image Lazy Loading In Vanilla JavaScript – lazy.js
A smart lazyload JavaScript library that supports dynamic image loading, which means that newly added images will not be downloaded until they are visible on the screen.