Why does the SEO ROI formula use a 12-month period? By Growth Partners Media|2025-02-02T17:47:56+00:00February 2nd, 2025| SEO takes time to show results, and 12 months is a standard timeframe for measuring ROI for SEO campaigns. However, because SEO traffic continues to generate revenue beyond 12 months, the real return is much higher over time. Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail