A CSS skeleton loader library that creates an animated skeleton preview of your block content (e.g. text, cards, images) when the data is loading.
Yet another Youtube lazy loader that delays the loading of Youtube video player to improve the performance of your web page.
A lightweight, high-performance image lazy loading library that uses Intersection Observer API to detect whether your images are visible in the viewport.
A set of 126 beautiful, creative, animated loading spinners for content loaders, page preloaders, skeleton loaders (screens).
Yet another pure CSS and SVG solution to create smooth circular progress bars indicating percentages on the web app.
Vimeo LazyLoad loads Vimeo video player on-demand when the user clicks on the play button & thumbnail image.