Alexa - Top Sites by Category: Top - Adult rating web site
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Audience Overlap Tool · Site Comparisons · Website Traffic Statistics · Find Similar Sites · Top Sites · Alexa Browser Extension · API. Marketing Resources. The Motion Picture Association of America (MPAA) film rating system is used in The United . Rated R: Restricted – Under 17 requires accompanying parent or adult guardian. .. Rated also points out that four times as many films received an NC rating for sex as they did for violence according to the MPAA's own website.