public MetaTitle GetHeader(IPublishedContent node = null)
        {
            var page = node == null?_contentHelper.CurrentPage <MetaTagHeader>() : node.As <MetaTagHeader>();

            var model = new MetaTitle
            {
                Title = !string.IsNullOrEmpty(page.MetaTitle) ?
                        page.MetaTitle : _pageService.Title,
                Description = !string.IsNullOrEmpty(page.MetaDescription) ?
                              page.MetaDescription : _pageService.Summary
            };

            return(model);
        }