In the Facebook share button when i click popup window appears in that it is not showing image and description. What might be the reason?
<fb:share-button class="meta">
<meta name="medium" content="mult"/>
<meta name="title" content="name of fan page"/>
<meta name="description" content="description of fan page"/>
<link rel="image_src" href="url to image location" />
<link rel="target_url" href="http://facebook.com/Anti.Social.Development"/>
</fb:share-button>
You need to use the Open Graph Protocol. As given on their site, here is a full example of a movie page:
If you check your w3c, you’ll want to change the DocType to
XHTML + RDFa