<br><br>
            To block certain URLs from search bots, you may add custom rules to the robots.txt file. 255 characters maximum.<br><br>
            IMPORTANT: Be very careful when adding new rules because errors may result in dropping of rankings or blocking the site by search engines.<br><br>
            Check <a href="https://support.google.com/webmasters/answer/6062596" alt="Basic robots.txt guidelines">Google Guidelines</a> before adding rules.<br><br>