lazy loads with jQuery
/**
* lazyLoad(animationDuration,windowPosition, opacityLevel)
*
* animationDuration: int
* windowPosition: int
* opacityLevel: decimal
*/
$(document).ready(function(){
lazyLoad(1000,window.innerHeight, 1);
})
$(document).on('scroll touchmove',function(){
lazyLoad(1000,window.innerHeight, 1);
});<img class="lazy-img" alt="test" data-awake="false" data-img-src="img.jpg">