SOURCE

<div class="container">
	<img class="original" src="https://img11.51tietu.net/pic/2016-071418/20160714181543xyu10ukncwf221991.jpg" alt="优化前">
    <img class="original rendered" src="https://img11.51tietu.net/pic/2016-071418/20160714181543xyu10ukncwf221991.jpg" alt="优化后">
</div>
<center>注意两张图的清晰度</center>

.container{
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
    margin-bottom: 20px;
}

.original {
    width: 45%;
    object-fit: cover;
}

.rendered {
  image-rendering: -moz-crisp-edges;
  image-rendering: -o-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
}