It is useful website SEO applied to search experiences that also generate answers. Your custom site needs accessible text, clear services, trustworthy business information, and supporting evidence—not a separate collection of AI-only pages.
Google AI Overviews & AI Mode: Google says existing SEO best practices still apply. A supporting page must be indexed and eligible for a search snippet; meeting those conditions does not guarantee inclusion.
ChatGPT search: Review access for OAI-SearchBot, including robots.txt and hosting controls. Its search role is separate from GPTBot’s training role, so those preferences can be managed independently.