How add code page facebook
<div id="fb-root"></div>
<script async defer crossorigin="anonymous" src="https://connect.facebook.net/th_TH/sdk.js#xfbml=1&version=v4.0"></script>
<div class="fb-page" data-href="https://www.facebook.com/sineeducationservice" data-tabs="timeline" data-width="500" data-height="600" data-small-header="true" data-adapt-container-width="false" data-hide-cover="false" data-show-facepile="false"><blockquote cite="https://www.facebook.com/sineeducationservice" class="fb-xfbml-parse-ignore"><a href="https://www.facebook.com/sineeducationservice">Sine Education Service</a></blockquote></div>
Comments
Hi,
It depends on where you want to place it. But you can try Betheme -> Theme options -> SEO.
Thanks