Anonymous

        <?python                                                                                        
        title = item.find('{http://www.w3.org/1999/xhtml}title')                                        
        if title is not None:
                item.remove(title)                                                                      
                title.text = str(title.text) + " - Site Name"                                           
        ?>
        <title py:replace="title">Site Name</title>