Google +1 をウェブサイトに表示Documentation You can add and customize the +1 button to meet the needs of your website, such as modifying the button size and load technique. By adding the +1 button to your website, you allow your users to recommend your content to their circles and drive traffic to your site. The +1 button can also improve the time spent on your site by providing recommendations for further reading. Use of the
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