A minimalist way of including social JavaScript SDKs into a page. Includes Google Analytics, Twitter widgets, Facebook, and Google +1

js-sdk.min.js

window.___gcfg={lang:'en-GB'};var _gaq=_gaq||[];_gaq.push(['_setAccount','UA-123456-9']);_gaq.push(['_trackPageview']);!function(d,s){var st=d.getElementsByTagName(s)[0],j=function(i,u){d.getElementById(i)&&return;var js=d.createElement(s);js.id=i;js.async=true;js.src=u;st.parentNode.insertBefore(js,st)};setTimeout(function(){j("twitter-wjs","//platform.twitter.com/widgets.js");j("facebook-jssdk","//connect.facebook.net/en_GB/all.js#xfbml=1");j("gplusone-sdk","https://apis.google.com/js/plusone.js")}, 0);j("ga-sdk",('https:'==d.location.protocol?'https://ssl':'http://www')+'.google-analytics.com/ga.js')}(document,'script');

js-sdk.src.js

window.___gcfg = {lang: 'en-GB'};
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-123456-9']);
_gaq.push(['_trackPageview']);

!function(d,s){
	var st = d.getElementsByTagName(s)[0],
	    j  = function(id, url){
		d.getElementById(id) && return;
		var js=d.createElement(s);
		js.id=id; js.async=true; js.src=url;
		st.parentNode.insertBefore(js,st);
	};
	setTimeout(function(){
		j("twitter-wjs",    "//platform.twitter.com/widgets.js");
		j("facebook-jssdk", "//connect.facebook.net/en_GB/all.js#xfbml=1");
		j("gplusone-sdk",   "https://apis.google.com/js/plusone.js");
	}, 0);
	j("ga-sdk", ('https:'==d.location.protocol?'https://ssl':'http://www')+'.google-analytics.com/ga.js');
}(document,'script');

Just a hint: this needs updating, because blah&&return isn't valid JS... it needs to be if(blah)return