Beautiful Loading Spinners & Progress Bars – Loading-Visualization
Loading-Visualization is a JavaScript/CSS library to visualizing loading status in animated, customizable loading spinners & progress bars.
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11 Single Element Loading Spinners In Pure CSS – SpinBolt
SpinBolt is a collection of 11 minimal, clean, circular, animated loading spinners implemented in single element and CSS/CSS3.
Display Loading Status As A Favicon
A script that makes use of JavaScript and Canvas to draw a square & circular loading spinner as a favicon displayed in the browser tab.
Lazy Load Vimeo Video Player Until You Click The Thumbnail – Vimeo LazyLoad
Vimeo LazyLoad loads Vimeo video player on-demand when the user clicks on the play button & thumbnail image.
Load Youtube Video Only When Needed – Youtube LazyLoad
Yet another Youtube lazy loader that delays the loading of Youtube video player to improve the performance of your web page.
Simple Image Preloader With Callbacks – resloader
resloader is a pure JavaScript library to preload an array of images (or image objects) with useful onStart, onProgress, and onComplete callback functions.
Only Load Youtube Video Player After Clicking The Thumbnail – LazyTube
LazyTube is an ultra-light Youtube video lazy load library which only loads/displays video thumbnails on the page and fetches the Youtube video player only when the thumbnail is clicked.
Modern SEO-friendly Image Lazy Load Library – leniwiec.js
leniwiec.js is a tiny JavaScript lazy load library that supports img/picture tags and background images. Powered by the Intersection Observer API.
Lazy Loading Of Images And Iframes Using IntersectionObserver – AyLazyLoader
AyLazyLoader is a native JavaScript lazy loader for lazy loading images, iframes and AJAX content based on Intersection Observer API.
Single Div CSS Loading Spinners – css-loader
css-loader is a set of loading indicators / spinners built using single DIV element and pure CSS/CSS3.