Adding Google+1 Button to Blogspot

1. Login with your blogger account
2. Go to Blogger Dashboard --> Design --> Edit HTML
    and click on the button which says “Expand widget Templates”.
3. find </head> and immediately above that paste

<script type="text/javascript" src="http://apis.google.com/js/plusone.js">
{lang: 'en-US'}
</script>

5. Now find <data:post.body/> and immediately below that paste

<div>
<g:plusone size="standard" expr:href="data:post.canonicalUrl"/>
</div>

6.Save the template.