Simplest Image Lazy Load with Pure JavaScript – lazy.js
Lazy.js is a minimalist JavaScript solution to delay the loading of images until they come into view.
Loading
iOS & OS X Style Pure CSS Loading Spinner
A pure CSS/CSS3 based loading spinner with fullscreen overlay inspired by Apples’s iOS & OS X.
Google Alike Pure CSS Loading Spinner
A pure CSS loading spinner that makes use of CSS3 animations to flip Html elements with different colors as you seen in Google plus.
A Tiny Javascript Library To Lazy Load Images
A small Javascript library (~2kb minified) used to delay the load of images until they come into view.
Nice CSS3 Based Loading Spinner
A nice looking loading spinner that creates an animated loader for Ajax requests in a creative way, based on CSS3 animations.
Creating Multi-purpose Progress Bars with Javascript and CSS3 – Progress.JS
ProgressJs is a JavaScript and CSS3 based progress bar resolution that can apply on any objects on your web page like button, body, textarea, input and more.