Modern TypeScript Progress Bar Library – BProgress
A lightweight TypeScript library for creating slim, customizable top progress bars. A modern, maintained alternative to NProgress and Pace.js.
JavaScript & CSS loading indicator
Google-Style 4-Dot Bounce Loading Indicator with Pure CSS/CSS3
Create a Google-like loading spinner with just HTML and CSS. No JavaScript, no bloat. Just smooth, staggered dot animations.
Lightweight Loading Overlay Plugin For Bootstrap 5 – AvalynxLoader
A lightweight JavaScript plugin for Bootstrap 5 that displays a loading overlay with an animated spinner over specified DOM elements.
Lightweight JavaScript Notification System – Simple Display Alert
A lightweight JS library for customizable toast, success, error, warning, and info notifications with flexible positioning.
Customizable Fullscreen Loading Screen with JavaScript – SWL.js
A customizable, fullscreen loading indicator for your web project. Easy setup, custom colors, and blur effects.
Convert HTML Elements to Skeleton Loaders with SkeletonJS
A lightweight JavaScript library that helps you create animated skeleton loaders to improve your website’s perceived loading performance.
Slick Content Loader With Vanilla JavaScript – slick-loader
A small and developer-friendly content loader JavaScript library for the web.
Elegant Notification Popup JavaScript Library – Notiflix
Notiflix is a flexible, powerful and customizable notification popup library which sends different types of notification messages to the user.
Highly Customizable Skeleton Loader In Pure CSS – Skeleton Mammoth
A CSS library for creating customizable skeleton loaders to provide a visual placeholder while the content loads.
Facebook Inspired Skeleton Loader In Pure CSS – Placeholder Loading
This is the pure CSS solution to create simple, animated, customizable skeleton loading effect as you’ve seen on Facebook.