In order to +1 things, you first need a public Google profile. This helps people see who recommended that tasty recipe or great campsite. When you create a profile, it’s visible to anyone and connections with your email address can easily find it.
Your +1’s are stored in a new tab on your Google profile. You can show your +1’s tab to the world, or keep it private and just use it to personally manage the ever-expanding record of things you love around the web.
If you’re using WordPress and have the “Sexy Bookmarks” plugin, you can automatically add the Google +1 button through this setting to both your pages and posts!
For those of you who aren’t using WordPress, simply copy/paste the following code into your header or footer section so it’s global…
Then add this to each page that you want the Google +1 button to be: