Robots Text is a way of informing Google whether or not to index a page. All pages on your site will be indexed by default. You will have to modify the robots.txt file to prevent pages from appearing on Google search results.To modify the robots.txt to hide pages from Google results:
Open the Manage menu and select Settings.
Click the robots.txt option below the SEO section in the menu on the left.
Copy and paste this format in the robots.txt box: Disallow: /"PageName".html
Replace the "PageName" text with the name of the page.