Tiny Image Lazy Loader With Intersection Observer – Simply Lazy
A tiny lazy loader JavaScript library that uses Intersection Observer API to lazy load images.
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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.
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.
Easy Pull To Refresh Library With Pure JavaScript – pulltorefresh.js
pulltorefresh.js is a lightweight, customizable JavaScript library that adds the pull to refresh functionality to your webpages using pure JavaScript.
Load Remote Content Via AJAX – httploader.js
A super tiny and dependency-free JavaScript library for loading remote content via AJAX requests.
Customizable Top Loading Progress Bar – topbar
topbar is a standalone JavaScript plugin to generates a canvas based top progress bar that represents the current loading status of your web page.
Slim Progress Bar With CSS/CSS3 – progress.css
A minimalist CSS library that helps you create an animated slim progress bar to simulate a loading process.
Flexible Progress Bar Using SVG And Plain JavaScript – loading-Bar
A JavaScript library for creating highly customizable progress bars to visualizing loading status by filling SVG shapes.
Colorful Progress Bar Library For Vanilla JavaScript – Qier Progress
An easy, dependency-free JavaScript library that helps create slim, beautiful, and colorful progress bars to visualize loading status.
Progressive Enhancement Resource Lazy Load Library – DemandJS
DemandJS is a modern, high-performance and progressive enhancement JavaScript lazy load library that delays the loading of web resources (e.g. images, videos, iframes) until they come into view.