Just paste this text into your widget box:
<a href=”https://conferencekeeper.org/” target=”_blank” rel=”https://conferencekeeper.org/ noopener”><img class=”aligncenter wp-image-3383″ src=”https://conferencekeeper.org/wp-content/uploads/2017/06/CK-Badge-2.png” border=”0″ alt=”https://conferencekeeper.org/” width=”332″ height=”225″ /></a>