if (theme.facebook_comments.enable && page.comments !== false && !is_tag() && !is_category() && !is_archive() && !is_home())
  if theme.facebook_comments.app_id
    meta(property="fb:app_id" content=theme.facebook_comments.app_id )
  if theme.facebook_comments.user_id
    meta(property="fb:admins" content=theme.facebook_comments.user_id)

if (theme.disqusjs && theme.disqusjs.enable && page.comments !== false && !is_tag() && !is_category() && !is_archive() && !is_home())
  link(rel="stylesheet" type="text/css" href=url_for(theme.CDN.disqusjs_css))

if (theme.gitalk && theme.gitalk.enable && page.comments !== false && !is_tag() && !is_category() && !is_archive() && !is_home())
  link(rel="stylesheet" type="text/css" href=url_for(theme.CDN.gitalk_css))
  script(src=url_for(theme.CDN.gitalk))
  script(src=url_for(theme.CDN.blueimp_md5))