This is the most simplest way to add a facebook share button. Use the following code as the reference(href) attribute of your anchor tag(<a>) "http://www.facebook.com/sharer.php?u=<text or url to post on wall>" You can use any image to show the share button, but be precise in selecting it, as the user should get on it easily. Consider the following sample code: <a href="http://www.facebook.com/sharer.php?u=https://thechaithanya.wordpress.com"><img src="http://www.acrnet.org/uploadedImages/Get_Involved/facebook-logo.png" alt="share on facebook"></a> If you are developing any applicetion or website and want the post to be displayed as it was posted from your app, like " via theChaithanya ", use the following code: "http://m.facebook.com/dialog/feed?app_id=YOUR-APP-ID&link=LINK-TO-BE-POSTED&redirect_uri=PATH-TO-LOCATION-AFTER-SHARE" On successful sharing it w...