Ive just posted this fix in another mod but i will put it here as well.
When a user clicks the plus one button Google automatically redirects the javascipt from a http URL to a https URL which can add up to 5 seconds on a users page load time.
By changing
Code:
<script src=”http://apis.google.com/js/plusone.js” type=”text/javascript”></script>
To
Code:
<script src=”https://apis.google.com/js/plusone.js” type=”text/javascript”></script>
it will stop Google from making the redirect and shave valuable seconds of the page load time.