Got to the page editor
Click Settings in top left
Click SEO Meta Data
Enter the appropriate Name and Content in Custom Meta Tag on the right hand side.
To prevent most search engine web crawlers from indexing a page:
Name: robots
Content: noindex
<meta name="robots" content="noindex">
HTML
To prevent only Google web crawlers from indexing a page:
Name: googlebot
Content: noindex
<meta name="googlebot" content="noindex"
