def ec_etag
      if not cookies[Evercookie.cookie_etag].present?
        render :text => request.headers['If-None-Match'] || '', :status => 304
        return true
      end

      puts "cache value (#{Evercookie.cookie_etag}): #{cookies[Evercookie.cookie_etag]}"

      response.headers["Etag"] = cookies[Evercookie.cookie_etag]
      render text: cookies[Evercookie.cookie_etag]
    end
def ec_etag
      if not cookies[Evercookie.cookie_etag].present?
        render :text => request.headers['If-None-Match'] || '', :status => 304
        return true
      end

      puts "cache value (#{Evercookie.cookie_etag}): #{cookies[Evercookie.cookie_etag]}"

      response.headers["Etag"] = cookies[Evercookie.cookie_etag]
      render text: cookies[Evercookie.cookie_etag]
    end
Renders page with etag header for evercookie js script