Embed codes adds a HTML code for others to embed information about the item in other web pages. The title, thumbnail, and, if set, the rights information is displayed with a link back to the original site.
Data about other sites where the item has been embedded and the number of page views is available in the admin side.
This is useful for sites that want to encourage external writing or presentations about their content and would like to gather information about where and how their content is being reused.
Copy the files to the plugins directory, and install from the Omeka plugins page