def meta_tags(cls, **kwargs):
        """
        Meta allows you to add meta data to site
        :params **kwargs:

        meta keys we're expecting:
            title (str)
            description (str)
            url (str) (Will pick it up by itself if not set)
            image (str)
            site_name (str) (but can pick it up from config file)
            object_type (str)
            keywords (list)
            locale (str)
            card (str)

            **Boolean By default these keys are True
            use_opengraph
            use_twitter
            use_googleplus

        """
        page_meta = cls._global.get("__META__", {})
        page_meta.update(**kwargs)
        cls.g(__META__=page_meta)