Preload Pages Based On User’s Intention – instant.page
instant.page is a small JavaScript library used to boost the page loading speed by preloading target pages when a user intends to click on the link (mouse hover).
JavaScript & CSS preload
Preload Web Pages When Hovering Over Links – Prerender.js
prerender.js detects the user interactions and preloads all the assets of a web page in an iframe when the user hovers over the corresponding link or button.
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.
Any Resources Preloader JavaScript Library – Loader.js
Loader.js is a pure JavaScript preloader that preloads web resources (text, JSON, images, audios, videos, etc) and triggers certain events while loading and after loaded.
Image Preloader With Loaded Callback – ImagePreloader
A lightweight image preloader written in pure JS that will trigger a callback function when all the provided images are completely loaded.
Web Preloader & Lazy Loader Library – Loader
Loader is a powerful JavaScript library used to preload or lazy load ‘Heavy’ HTML elements on the webpage, such as images, audios, videos, iframes, and etc.
Vanilla JavaScript Library For Image Preloading – Vanilla Preloader
A simple vanilla JavaScript library used to preload an array of images which are needed later.
Dynamic Any Content Preloading Library – LoadAssets
LoadAssets is a small Vanilla JavaScript library that preloads any content (images, javascript, CSS, inline SVG) and dynamically adds them to the DOM when needed.