diff --git a/tbx/project_styleguide/templates/patterns/base_page.html b/tbx/project_styleguide/templates/patterns/base_page.html
index 4114de242..dfc4910c3 100644
--- a/tbx/project_styleguide/templates/patterns/base_page.html
+++ b/tbx/project_styleguide/templates/patterns/base_page.html
@@ -13,6 +13,22 @@
         <!-- End Google Tag Manager -->
     {% endif %}
 
+    {# Temporary - not to be deployed to production yet: test VWO smart code #}
+    {# Note that the advice is not to load this via GTM - https://app.vwo.com/#/deployments/connected/website/1/code?token=eyJhY2NvdW50X2lkIjo3NDE2MDUsInR5cGUiOiJ0cmFja2luZ0NvZGUiLCJ2ZXJzaW9uIjoxLCJoYXNoIjoiNzExZDQwYmY1M2M1NDRmZDQxZjc2YmZhODkzY2M4ODQiLCJzY29wZSI6IiIsImZybiI6ZmFsc2V9 #}
+    <!-- Start VWO Async SmartCode -->
+    <link rel="preconnect" href="https://dev.visualwebsiteoptimizer.com" />
+    <script type='text/javascript' id='vwoCode'>
+    window._vwo_code || (function() {
+    var account_id=741605,
+    version=2.0,
+    settings_tolerance=2000,
+    hide_element='body',
+    hide_element_style = 'opacity:0 !important;filter:alpha(opacity=0) !important;background:none !important',
+    /* DO NOT EDIT BELOW THIS LINE */
+    f=false,d=document,v=d.querySelector('#vwoCode'),cK='_vwo_'+account_id+'_settings',cc={};try{var c=JSON.parse(localStorage.getItem('_vwo_'+account_id+'_config'));cc=c&&typeof c==='object'?c:{}}catch(e){}var stT=cc.stT==='session'?window.sessionStorage:window.localStorage;code={use_existing_jquery:function(){return typeof use_existing_jquery!=='undefined'?use_existing_jquery:undefined},library_tolerance:function(){return typeof library_tolerance!=='undefined'?library_tolerance:undefined},settings_tolerance:function(){return cc.sT||settings_tolerance},hide_element_style:function(){return'{'+(cc.hES||hide_element_style)+'}'},hide_element:function(){return typeof cc.hE==='string'?cc.hE:hide_element},getVersion:function(){return version},finish:function(){if(!f){f=true;var e=d.getElementById('_vis_opt_path_hides');if(e)e.parentNode.removeChild(e)}},finished:function(){return f},load:function(e){var t=this.getSettings(),n=d.createElement('script'),i=this;if(t){n.textContent=t;d.getElementsByTagName('head')[0].appendChild(n);if(!window.VWO||VWO.caE){stT.removeItem(cK);i.load(e)}}else{n.fetchPriority='high';n.src=e;n.type='text/javascript';n.onerror=function(){_vwo_code.finish()};d.getElementsByTagName('head')[0].appendChild(n)}},getSettings:function(){try{var e=stT.getItem(cK);if(!e){return}e=JSON.parse(e);if(Date.now()>e.e){stT.removeItem(cK);return}return e.s}catch(e){return}},init:function(){if(d.URL.indexOf('__vwo_disable__')>-1)return;var e=this.settings_tolerance();window._vwo_settings_timer=setTimeout(function(){_vwo_code.finish();stT.removeItem(cK)},e);var t=d.currentScript,n=d.createElement('style'),i=this.hide_element(),r=t&&!t.async&&i?i+this.hide_element_style():'',o=d.getElementsByTagName('head')[0];n.setAttribute('id','_vis_opt_path_hides');v&&n.setAttribute('nonce',v.nonce);n.setAttribute('type','text/css');if(n.styleSheet)n.styleSheet.cssText=r;else n.appendChild(d.createTextNode(r));o.appendChild(n);this.load('https://dev.visualwebsiteoptimizer.com/j.php?a='+account_id+'&u='+encodeURIComponent(d.URL)+'&vn='+version)}};window._vwo_code=code;code.init();})();
+    </script>
+    <!-- End VWO Async SmartCode -->
+
     {# favicons #}
     {% block branding_favicon %}
         <link rel="apple-touch-icon" sizes="180x180" href="{% static 'images/icons/apple-touch-icon.png' %}">