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a que sí he Comments box is a social plugin that enables people to comment on your site. Features include moderation tools and distribution.

 Social Relevance: The Comments box uses social signals to surface the highest quality comments. Comments are ordered to display the most relevant comments from friends and friends of friends as well as the most-liked or active discussion threads.




Comments marked as spam are hidden from view. Distribution: Comments are easily shared with friends or with people who like your Page on Facebook. If people leave the “Post to Facebook” box checked when they post a comment, a story appears on their friends’ news feed indicating that they've made a comment on your website, which will also link back to your site. Friends and people who like the Page can then respond to the discussion by liking or replying to the comment directly in the news feed or in the Comments box on your site. Threads stay synchronized across Facebook and on the Comments box on your site regardless of where the comment was made. The mobile version will automatically show up when a mobile device user agent is detected. You can turn this behavior off by setting the mobile parameter to false.