SpinBolt is a collection of 11 minimal, clean, circular, animated loading spinners implemented in single element and CSS/CSS3.
Vimeo LazyLoad loads Vimeo video player on-demand when the user clicks on the play button & thumbnail image.
Yet another Youtube lazy loader that delays the loading of Youtube video player to improve the performance of your web page.
LazyTube is an ultra-light Youtube video lazy load library which only loads/displays video thumbnails on the page and fetches the Youtube video player only when the thumbnail is clicked.
css-loader is a set of loading indicators / spinners built using single DIV element and pure CSS/CSS3.