diff --git a/dist/mixpanel-jslib-snippet.min.js b/dist/mixpanel-jslib-snippet.min.js
index b28a38a0..b33d331b 100644
--- a/dist/mixpanel-jslib-snippet.min.js
+++ b/dist/mixpanel-jslib-snippet.min.js
@@ -1,3 +1,3 @@
-(function(f,a){if(!a.__SV){var e,g,i,h;window.mixpanel=a;a._i=[];a.init=function(e,f,c){function g(b,d){var a=d.split(".");2==a.length&&(b=b[a[0]],d=a[1]);b[d]=function(){b.push([d].concat(Array.prototype.slice.call(arguments,0)))}}var b=a;"undefined"!==typeof c?b=a[c]=[]:c="mixpanel";b.people=b.people||[];b.toString=function(b){var d="mixpanel";"mixpanel"!==c&&(d+="."+c);b||(d+=" (stub)");return d};b.people.toString=function(){return b.toString(1)+".people (stub)"};i="disable time_event track track_pageview track_links track_forms track_with_groups add_group set_group remove_group register register_once alias unregister identify name_tag set_config reset opt_in_tracking opt_out_tracking has_opted_in_tracking has_opted_out_tracking clear_opt_in_out_tracking start_batch_senders people.set people.set_once people.unset people.increment people.append people.union people.track_charge people.clear_charges people.delete_user people.remove".split(" ");
-for(h=0;h<i.length;h++)g(b,i[h]);var j="set set_once union unset remove delete".split(" ");b.get_group=function(){function a(c){d[c]=function(){var a=[c].concat(Array.prototype.slice.call(arguments,0));b.push([e,a])}}for(var d={},e=["get_group"].concat(Array.prototype.slice.call(arguments,0)),c=0;c<j.length;c++)a(j[c]);return d};a._i.push([e,f,c])};a.__SV=1.2;e=f.createElement("script");e.type="text/javascript";e.async=!0;e.src="undefined"!==typeof MIXPANEL_CUSTOM_LIB_URL?MIXPANEL_CUSTOM_LIB_URL:
-"file:"===f.location.protocol&&"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js".match(/^\/\//)?"https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js":"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js";g=f.getElementsByTagName("script")[0];g.parentNode.insertBefore(e,g)}})(document,window.mixpanel||[]);
+(function(c,a){if(!a.__SV){var e,g,i,h;window.mixpanel=a;a._i=[];a.init=function(e,c,f){function g(b,d){var a=d.split(".");2==a.length&&(b=b[a[0]],d=a[1]);b[d]=function(){b.push([d].concat(Array.prototype.slice.call(arguments,0)))}}var b=a;"undefined"!==typeof f?b=a[f]=[]:f="mixpanel";b.people=b.people||[];b.toString=function(b){var d="mixpanel";"mixpanel"!==f&&(d+="."+f);b||(d+=" (stub)");return d};b.people.toString=function(){return b.toString(1)+".people (stub)"};i="disable time_event track track_pageview track_links track_forms track_with_groups add_group set_group remove_group register register_once alias unregister identify name_tag set_config reset opt_in_tracking opt_out_tracking has_opted_in_tracking has_opted_out_tracking clear_opt_in_out_tracking start_batch_senders people.set people.set_once people.unset people.increment people.append people.union people.track_charge people.clear_charges people.delete_user people.remove".split(" ");
+for(h=0;h<i.length;h++)g(b,i[h]);var j="set set_once union unset remove delete".split(" ");b.get_group=function(){function a(c){d[c]=function(){var a=[c].concat(Array.prototype.slice.call(arguments,0));b.push([e,a])}}for(var d={},e=["get_group"].concat(Array.prototype.slice.call(arguments,0)),c=0;c<j.length;c++)a(j[c]);return d};a._i.push([e,c,f])};a.__SV=1.2;e=c.createElement("script");e.type="text/javascript";e.defer=!0;e.src="undefined"!==typeof MIXPANEL_CUSTOM_LIB_URL?MIXPANEL_CUSTOM_LIB_URL:
+"file:"===c.location.protocol&&"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js".match(/^\/\//)?"https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js":"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js";c.addEventListener("DOMContentLoaded",function(){g=c.getElementsByTagName("script")[0];g.parentNode.insertBefore(e,g)})}})(document,window.mixpanel||[]);
diff --git a/dist/mixpanel-jslib-snippet.min.test.js b/dist/mixpanel-jslib-snippet.min.test.js
index 71991340..cc0c184c 100644
--- a/dist/mixpanel-jslib-snippet.min.test.js
+++ b/dist/mixpanel-jslib-snippet.min.test.js
@@ -1,3 +1,3 @@
-(function(f,a){if(!a.__SV){var e,g,i,h;window.mixpanel=a;a._i=[];a.init=function(e,f,c){function g(b,d){var a=d.split(".");2==a.length&&(b=b[a[0]],d=a[1]);b[d]=function(){b.push([d].concat(Array.prototype.slice.call(arguments,0)))}}var b=a;"undefined"!==typeof c?b=a[c]=[]:c="mixpanel";b.people=b.people||[];b.toString=function(b){var d="mixpanel";"mixpanel"!==c&&(d+="."+c);b||(d+=" (stub)");return d};b.people.toString=function(){return b.toString(1)+".people (stub)"};i="disable time_event track track_pageview track_links track_forms track_with_groups add_group set_group remove_group register register_once alias unregister identify name_tag set_config reset opt_in_tracking opt_out_tracking has_opted_in_tracking has_opted_out_tracking clear_opt_in_out_tracking start_batch_senders people.set people.set_once people.unset people.increment people.append people.union people.track_charge people.clear_charges people.delete_user people.remove".split(" ");
-for(h=0;h<i.length;h++)g(b,i[h]);var j="set set_once union unset remove delete".split(" ");b.get_group=function(){function a(c){d[c]=function(){var a=[c].concat(Array.prototype.slice.call(arguments,0));b.push([e,a])}}for(var d={},e=["get_group"].concat(Array.prototype.slice.call(arguments,0)),c=0;c<j.length;c++)a(j[c]);return d};a._i.push([e,f,c])};a.__SV=1.2;e=f.createElement("script");e.type="text/javascript";e.async=!0;e.src="undefined"!==typeof MIXPANEL_CUSTOM_LIB_URL?MIXPANEL_CUSTOM_LIB_URL:
-"file:"===f.location.protocol&&"../build/mixpanel.min.js".match(/^\/\//)?"https:../build/mixpanel.min.js":"../build/mixpanel.min.js";g=f.getElementsByTagName("script")[0];g.parentNode.insertBefore(e,g)}})(document,window.mixpanel||[]);
+(function(c,a){if(!a.__SV){var e,g,i,h;window.mixpanel=a;a._i=[];a.init=function(e,c,f){function g(b,d){var a=d.split(".");2==a.length&&(b=b[a[0]],d=a[1]);b[d]=function(){b.push([d].concat(Array.prototype.slice.call(arguments,0)))}}var b=a;"undefined"!==typeof f?b=a[f]=[]:f="mixpanel";b.people=b.people||[];b.toString=function(b){var d="mixpanel";"mixpanel"!==f&&(d+="."+f);b||(d+=" (stub)");return d};b.people.toString=function(){return b.toString(1)+".people (stub)"};i="disable time_event track track_pageview track_links track_forms track_with_groups add_group set_group remove_group register register_once alias unregister identify name_tag set_config reset opt_in_tracking opt_out_tracking has_opted_in_tracking has_opted_out_tracking clear_opt_in_out_tracking start_batch_senders people.set people.set_once people.unset people.increment people.append people.union people.track_charge people.clear_charges people.delete_user people.remove".split(" ");
+for(h=0;h<i.length;h++)g(b,i[h]);var j="set set_once union unset remove delete".split(" ");b.get_group=function(){function a(c){d[c]=function(){var a=[c].concat(Array.prototype.slice.call(arguments,0));b.push([e,a])}}for(var d={},e=["get_group"].concat(Array.prototype.slice.call(arguments,0)),c=0;c<j.length;c++)a(j[c]);return d};a._i.push([e,c,f])};a.__SV=1.2;e=c.createElement("script");e.type="text/javascript";e.defer=!0;e.src="undefined"!==typeof MIXPANEL_CUSTOM_LIB_URL?MIXPANEL_CUSTOM_LIB_URL:
+"file:"===c.location.protocol&&"../build/mixpanel.min.js".match(/^\/\//)?"https:../build/mixpanel.min.js":"../build/mixpanel.min.js";c.addEventListener("DOMContentLoaded",function(){g=c.getElementsByTagName("script")[0];g.parentNode.insertBefore(e,g)})}})(document,window.mixpanel||[]);
diff --git a/mixpanel-jslib-snippet.js b/mixpanel-jslib-snippet.js
index 9c9a1c65..63c238c6 100644
--- a/mixpanel-jslib-snippet.js
+++ b/mixpanel-jslib-snippet.js
@@ -88,7 +88,7 @@ var MIXPANEL_LIB_URL = '//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js';
 
         script = document.createElement("script");
         script.type = "text/javascript";
-        script.async = true;
+        script.defer = true;
 
         if (typeof MIXPANEL_CUSTOM_LIB_URL !== 'undefined') {
             script.src = MIXPANEL_CUSTOM_LIB_URL;
@@ -98,8 +98,10 @@ var MIXPANEL_LIB_URL = '//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js';
             script.src = MIXPANEL_LIB_URL;
         }
 
-        first_script = document.getElementsByTagName("script")[0];
-        first_script.parentNode.insertBefore(script, first_script);
+        document.addEventListener("DOMContentLoaded", function (event) {
+            first_script = document.getElementsByTagName("script")[0];
+            first_script.parentNode.insertBefore(script, first_script);
+        });
     }
 // Pass in current Mixpanel object if it exists (for ppl like Optimizely)
 })(document, window['mixpanel'] || []);