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Lazyload is a JavaScript plugin that defers the loading of images until they scroll into the viewport, using the browser's Intersection Observer API to detect visibility. It is designed to speed up initial page load and save bandwidth by delaying off-screen images, and includes a jQuery-compatible wrapper for drop-in integration with existing jQuery code.
The main features of tuupola/lazyload are: Image Lazy Loading, Intersection Observer Image Loaders, Responsive Image Loaders, Viewport Observers, Instance Lifecycle Management, Preloading Placeholders, jQuery-Compatible Libraries, jQuery Plugins.
Projects with overlapping indexed features include: bbc/imager.js — Imager.js is a responsive image loader library and asset delivery optimizer. It serves as a browser-based image… hilongjw/vue-lazyload — vue-lazyload is a Vue.js image lazy loading plugin and frontend asset optimizer. It serves as a viewport visibility… apoorvsaxena/lozad.js — lozad.js is a JavaScript lazy loading library and viewport-based media loader. It serves as a dependency-free wrapper… ivopetkov/responsively-lazy — Responsively-lazy is a library designed to optimize web performance by deferring the loading of off-screen assets… verlok/vanilla-lazyload — vanilla-lazyload is a JavaScript lazy loading library and viewport-based asset loader designed to improve page load… callmecavs/layzr.js — layzr.js is a JavaScript image lazy loading library designed to improve initial page load speed by delaying the…
Imager.js is a responsive image loader library and asset delivery optimizer. It serves as a browser-based image manager that delivers optimized image variants based on device screen dimensions and pixel density. The library maps abstract image identifiers to concrete network requests for third-party hosting services. It dynamically updates image source attributes during window resize events and translates numeric widths into custom strings to match specific asset naming conventions. The system provides capabilities for responsive image delivery, including lazy loading to defer downloads unti
vue-lazyload is a Vue.js image lazy loading plugin and frontend asset optimizer. It serves as a viewport visibility observer that defers the loading of images and components until they enter the browser viewport to reduce initial page load times. The project functions as a progressive image loader by managing image placeholders and implementing dynamic source switching. It uses a browser API to monitor when elements enter the viewport, avoiding expensive scroll event listeners to maintain performance. The plugin provides capabilities for image loading state tracking, including custom placeho
lozad.js is a JavaScript lazy loading library and viewport-based media loader. It serves as a dependency-free wrapper around the Intersection Observer API to defer the loading of images and iframes until they enter the browser viewport. The project functions as a responsive image loader that optimizes page speed by delivering the most appropriate image sizes and formats based on the user's screen. It includes capabilities for responsive image optimization and layout stabilization through the use of image placeholders to prevent content shifts. The library manages the full lifecycle of deferr
Responsively-lazy is a library designed to optimize web performance by deferring the loading of off-screen assets until they are required by the user. It functions as a utility for reducing initial page payloads by delaying the rendering of images, background images, and HTML content until elements enter the browser viewport. The library distinguishes itself through its automated handling of dynamic content. By utilizing a mutation observer, it monitors the document tree for new elements added after the initial page load and applies lazy loading behaviors to them without requiring manual re-i