Used to rate content for audience appropriateness. This tag has little known influence on search engine rankings, but can be used by browsers, browser extensions, and apps. The <a href='https://www.metatags.org/meta_name_rating'>most common options</a> are general, mature, restricted, 14 years, safe for kids. If you follow the <a href='https://www.rtalabel.org/index.php?content=howto'>RTA Documentation</a> you should enter RTA-5042-1996-1400-1577-RTA