def title_and_h1_good?
      return unless @page
      arr = []
      @page.css('h1').each { |node| arr << node.text }
      @page.css('title').size == 1 && arr.uniq.size == arr.size
    end
def title_and_h1_good?
      return unless @page
      arr = []
      @page.css('h1').each { |node| arr << node.text }
      @page.css('title').size == 1 && arr.uniq.size == arr.size
    end
true if title and h1 have no duplicates