Preload de carregamento

preload.js

// load call
$(window).on('load', function() {
//active loading

 //loadout
 $('#preloader').fadeOut();
});

style.css

/* Preloader */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #fff;
  z-index: 9999999;
}

.loader {
  top: 50%;
  width: 50px;
  height: 50px;
  border-radius: 100%;
  position: relative;
  margin: 0 auto;
}

#loader-1:before, #loader-1:after {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  width: 100%;
  height: 100%;
  border-radius: 100%;
  border: 7px solid transparent;
  border-top-color: #2EB8A0;
}

#loader-1:before {
  z-index: 100;
  animation: spin 1s infinite;
}

#loader-1:after {
  border: 7px solid #f2f2f2;
}

@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

template.html

<!-- Preloader -->
<div id="preloader">
	<div class="loader" id="loader-1">
	</div>
</div>
<!-- End Preloader -->