Google just launched the +1 button, yes you can now add them to your blogger blogs, I Recently wrote a post in the past Introducing +1 Button From Google Social Search you can read it and get more information from there. This post will simply show you how to enable this feature on your blogger blog, I don't believe it's available for WordPress or any other website right now.
How to Add Google's +1 Button
To add the +1 button to your blog, you’ll need to enable Share buttons on Blogger. To do this, go to Design > Page Elements on your Blogger dashboard, find the Blog posts area, click on Edit, and select the “Show Share Buttons” option. If you are already using Share buttons, the +1 button will automatically show up as a new share option.
(See Below Image)
By adding the +1 button to your blog, you’re providing an easy way for your visitors to recommend your posts to their friends right from your blog.
Buzz Post: http://buzz.blogger.com/2011/06/add-1-button-to-your-blog.html
The Stand Alone Code
Here is the stand alone code:
Go to your blogs Design Page > Edit Html > Find the following piece of code in your blogs Html :
That's it the script is added now choose a button and add it as shown.
Small +1 Button Try clicking it! It Works
Medium +1 Button Try clicking it! It Works
Standard +1 Button Try clicking it! It Works
Tall +1 Button Try clicking it! It Works
Additonal Information Can Be Learned Via SpiceUpYourblog
How to Add Google's +1 Button
To add the +1 button to your blog, you’ll need to enable Share buttons on Blogger. To do this, go to Design > Page Elements on your Blogger dashboard, find the Blog posts area, click on Edit, and select the “Show Share Buttons” option. If you are already using Share buttons, the +1 button will automatically show up as a new share option.
(See Below Image)
By adding the +1 button to your blog, you’re providing an easy way for your visitors to recommend your posts to their friends right from your blog.
Buzz Post: http://buzz.blogger.com/2011/06/add-1-button-to-your-blog.html
The Stand Alone Code
Here is the stand alone code:
Go to your blogs Design Page > Edit Html > Find the following piece of code in your blogs Html :
</head>Copy and paste the following code directly Above / Before </head> then save your template.
<script type="text/javascript" src="http://apis.google.com/js/plusone.js"></script>
That's it the script is added now choose a button and add it as shown.
Small +1 Button Try clicking it! It Works
<g:plusone size="small"></g:plusone>
Medium +1 Button Try clicking it! It Works
<g:plusone size="medium"></g:plusone>
Standard +1 Button Try clicking it! It Works
<g:plusone></g:plusone>
Tall +1 Button Try clicking it! It Works
<g:plusone size="tall"></g:plusone>
Additonal Information Can Be Learned Via SpiceUpYourblog
