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 # AI-Related Research
 - [List of ChatGPT's Local Ranking Factors](https://www.reddit.com/r/localseo/comments/1khuzb1/list_of_chatgpts_local_ranking_factors/)
+- [Rank4AI](https://rank4ai.co.uk) - AI search visibility framework for optimizing how businesses get recommended by ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews. Uses a Five Signal Model covering Identity Clarity, Subject Authority, Meaning Architecture, Ecosystem Validation and Signal Consistency.
 
 # See Also
 - [Google Search Console: How Accurate is the Average Position Metric?](https://www.searchenginejournal.com/google-search-console-how-accurate-is-the-average-position-metric/403368/) -- "We learn from Mueller that the average position metric is based on real data. It’s a reliable measurement, even if it doesn’t always match up with what site owners see when they check their own ranking positions."