Add +1 to your pages to help your site stand out
+1 buttons let people who love your content recommend it on Google search
The +1 button and search results
How does +1 affect search results?
Does +1 affect my site’s performance in search?
How will the +1 button affect my traffic?
Will +1’s from my site show up in search results?
How does the +1 button affect my ads?
Who sees +1?
Who can see the +1 button in Google Search?
Who can see annotations from +1 buttons?
Will users on mobile browsers see the +1 button?
Are +1’s public?
Adding the +1 button to a site
How do I add the +1 button to my site? Where should I put the +1 button on my pages?
Can I place multiple buttons on a single page that all +1 different URLs?
What languages is the +1 button available in? How often will Google crawl my +1’d pages?
How does +1 work with Buzz?
Do we still need the Google Buzz button?
Some of my users get a security warning when they view pages with the +1 button. How do I get rid of this?
Configuring the +1 button
What button sizes are available?
What does the “Language” drop-down control?
via plusone-button.