The AI Authority Score: Why Domain Authority Just Became Obsolete
Domain Authority, the Moz metric that dominated SEO strategy for 18 years, is now measuring the wrong thing. In May 2026, Smart Money Media launched the first AI Authority Score, a tool that measures whether a brand is recognized, trusted, and surfaced by AI platforms like ChatGPT, Gemini, and Perplexity. The timing is not coincidental. A landmark Rand Fishkin study published in March 2026 analyzed the top 5,000 websites and found that brand entity strength now outperforms topical depth in determining which sources AI engines cite. The metric that defined search visibility for two decades is being replaced by one that measures something fundamentally different: whether AI recommends you. ...