This meta tag communicates with Google. There are currently two directives supported: 'nositelinkssearchbox' to not to show the sitelinks search box, and 'notranslate' to ask Google not to offer a translation of the page. Both options may be added, just separate them with a comma. See <a href='https://support.google.com/webmasters/answer/79812?hl=en'>meta tags that Google understands</a> for further details.