A few years back, Facebook launched the Like Box plugin as one way for websites to generate more engagement from Facebook users by showing content from their Facebook pages, and showing them other people who have liked the page. The company is now shutting the plugin down.
Facebook is advising developers to start using its Page Plugin instead of the Like Box. In a document on its developer site (via TheNextWeb), Facebook says:
With the release of Graph API v2.3, the Like Box plugin is deprecated and will stop working on June 23rd 2015. Use the new Page Plugin instead. The Page Plugin allows you to embed a simple feed of content from a Page into your websites.
The Like Box is a special version of the Like Button designed only for Facebook Pages. It allows admins to promote their Pages and embed a simple feed of content from a Page into other sites.
So you’ve got a couple months to switch.
The Page Plugin lets your website visitors like and share your Facebook Page without having to leave your site. Here’s what it looks like:




In case you could tell from the name of the plugin, it only supports Pages. In other words, you can’t use it for Facebook Events or Groups. You also can’t use it for pages without owners, such as generated pages, places, interests, etc.