Here we go

<img src="http://86ed.it/wp-content/uploads/2015/11/2GjgvS5vA6y08.gif" alt="The Joker" width="500" height="257" class="aligncenter size-full wp-image-7" srcset="http://86ed.it/wp-content/uploads/2015/11/2GjgvS5vA6y08.gif 500w, http://86ed.it/wp-content/uploads/2015/11/2GjgvS5vA6y08-300×154 Your Domain Name.gif 300w” sizes=”(max-width: 500px) 100vw, 500px” />