[vb_nils]

Hello,

THose buttons are not asynchronous.
Bellow you will found the code for making them asynchronous (note that I didn't include G+ but can be added).

<vb:comment>START of Social Buttons Code - VT</vb:comment>
<vb:if condition="$page['view'] == 'thread'">
	<style>
		.share-buttons { float:{vb:stylevar left}; position:relative; padding:8px 10px; height:20px; margin-top:-37px; }
		.share-buttons.withRB { margin-{vb:stylevar left}:150px; }
		.share-div { float:{vb:stylevar left}; border:none; height:20px; margin-right:10px; }
		@media only screen and (max-width:767px) { .share-buttons.withRB { margin-{vb:stylevar left}: 100px; } }
		@media only screen and (max-width:636px) { .share-buttons { float: none; border: {vb:stylevar toolbar_border}; background:{vb:stylevar toolbar_background}; margin: 0; } .share-buttons.withRB { margin: 0; } }
	</style>
	<div class="share-buttons<vb:if condition="(isset($showReplyBtn) AND $showReplyBtn) OR (isset($showAll) AND $showAll) OR $showVmBtn"> withRB</vb:if>">
{vb:set starterRoute, {vb:raw conversation.starterroute}}
{vb:set starterPost.nodeid, {vb:raw conversation.starter}}
{vb:set threadurl, {vb:url {vb:raw starterRoute}, {vb:raw starterPost}}}
		<div class="share-div fb-like" data-href="http://EXAMPLE.COM/node/{vb:raw nodeid}" data-layout="button" data-action="recommend" data-show-faces="false" data-share="true"></div>
		<div class="share-div"><a href="https://twitter.com/share" class="twitter-share-button twitter"></a></div>
		<div id="fb-root"></div>
		<script>(function(d, s, id) {
		  var js, fjs = d.getElementsByTagName(s)[0];
		  if (d.getElementById(id)) return;
		  js = d.createElement(s); js.id = id;
		  js.src = "//connect.facebook.net/fr_FR/sdk.js#xfbml=1&version=v2.3";
		  fjs.parentNode.insertBefore(js, fjs);
		}(document, 'script', 'facebook-jssdk'));</script>
		<script>window.twttr = (function(d, s, id) {
			var js, fjs = d.getElementsByTagName(s)[0], t = window.twttr || {};
			if (d.getElementById(id)) return t;
			js = d.createElement(s);
			js.id = id;
			js.src = "https://platform.twitter.com/widgets.js";
			fjs.parentNode.insertBefore(js, fjs);

			t._e = [];
			t.ready = function(f) {
				t._e.push(f);
			};

			return t;
		}(document, "script", "twitter-wjs"));</script>
	</div>
</vb:if>
<vb:comment>END of Social Buttons Code</vb:comment>