New experimental tests reveal that when a page exists only in Google’s index, ChatGPT Plus (with browsing enabled) can still reference it, even if not indexed by Bing or others. This implies ChatGPT Plus might be leveraging Google Search behind the scenes to surface answers, reinforcing the importance of ranking well in Google for AI-driven discovery. Planners and SEO professionals should prioritise Google visibility, not just for organic search, but to improve presence in AI-generated responses.
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