- unless !obj.respond_to?(:keywords) || obj.keywords.blank?
  %meta{name: "keywords", content: obj.keywords}/
- unless !obj.respond_to?(:description) || obj.description.blank?
  %meta{name: "description", content: obj.description}/
- unless !obj.respond_to?(:robots) || obj.robots.blank?
  %meta{name: "robots", content: obj.robots}/