best choice would be to download these ONLY
Code: 
http://www.google-analytics.com/ga.js 
https://pagead2.googlesyndication.com/pagead/show_ads.js 
https://tpc.googlesyndication.com/pagead/images/ad_choices_i.png 
https://tpc.googlesyndication.com/pagead/images/ad_choices_en.png 
https://pagead2.googlesyndication.com/pagead/expansion_embed.js 
https://pagead2.googlesyndication.com/pagead/osd.js
and host them directly.
JamesVaporH Reviewed by JamesVaporH on . how to add Expires headers - Help ! Hello, on my website http://www.cityvillehelp.com There are 8 static components without a far-future expiration date. http://static.ak.fbcdn.net/connect.php/css/share-button-css http://www.google-analytics.com/ga.js http://static.ak.fbcdn.net/connect.php/js/FB.Share?ver=3.3.1 https://pagead2.googlesyndication.com/pagead/show_ads.js Rating: 5