Change gifs with placeholder to improve page speed and reduce load time.

gif_placeholder.js

$("img").each(function(index, value){
    var $img = $(value),
        src = $img.attr('src'),
        w = 0;
        h = 0;
        
    
    if( src.search('.gif') !== -1){
        w = $img.width();
        h = $img.height();
        
        $img.attr('src', 'http://placehold.it/'+w+'x'+h+'&text=GIF');
        $img.attr('data-gif', src);
        $img.addClass('gif');
    }
});


$('.gif').hover(function() {
    var src = $(this).attr('data-gif'),
        placeholder = $(this).attr('src');
    $(this).attr('src', src);
    $(this).removeClass('gif');
});