We'll create fresh WordPress site with Add to Circle Widget installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Add to Circle Widget is very easy to use, just drag it to a sidebar and enter your Google+ Page ID, select layout style, color scheme and save the widget.
By adding this plugin you can grow your audience on Google+ and generate more recommendations for your site in Google search.
Your users can easily add your Google+ Page to their circles directly from your blog.
Add to Circle Widget, also gives you the option to choose the size and color scheme of Google+ Badge.
NOTE: You need to add the code given below in your header.php before </head>
.
<link href="https://plus.google.com/[Google+_Page_ID]" rel="publisher" />
Highlights: