This technique is now deprecated.
This used to tell Google how to index the page.
https://developers.google.com/webmasters/ajax-crawling/
This technique has mostly been supplanted by the ability to use the JavaScript History API that was introduced alongside HTML5. For a URL like www.example.com/ajax.html#!key=value, Google will check the URL www.example.com/ajax.html?_escaped_fragment_=key=value to fetch a non-AJAX version of the contents.
Simplest fix to hide the comment box after Facebook Like (XFBML version not the iframe one) is as given:
.fb_edge_widget_with_comment span.fb_edge_comment_widget iframe.fb_ltr {
display: none !important;
}
Put the CSS style in any of your CSS file and see the magic, it works :)
Best Answer
While adding a Like button on your website to like you "Facebook Page" is possible (and I guess you know that), you can't use the same button to like multiple entities (your current page and the Facebook Page).
What you can do is:
edge.create)