Entity Authority Score: The Metric That Replaces Domain Authority in AI Search
Domain Authority is dead. Not because Moz stopped calculating it, but because the search engines that matter now don’t use it. ChatGPT, Perplexity, and Gemini don’t rank pages by domain-level link equity. They recommend brands based on entity authority: a composite signal that measures how recognized, referenced, and trusted your brand is across the entire knowledge ecosystem. If your entity authority score is low, AI engines literally don’t know you exist. You can rank #1 on Google for 50 keywords and still get zero mentions from ChatGPT when a user asks for a recommendation in your category. ...

