This directive is used to avoid crawlers from overloading the host, too many requests can overload the server that can bring about negative user experience. Crawl-hold off is taken care of otherwise by distinctive bots from search engines, Bing, Google, Yandex address this directive in various ways. Meta tags https://archerseoxd.ezblogz.com/34851388/helping-the-others-realize-the-advantages-of-my-ip-address