IndexBolt, based in Mumbai, India, published a strategic perspective on Monday, 10 August 2026, stating that Generative Engine Optimization (GEO) depends on indexing. The company explained that content must first be discovered, crawled, indexed, and retrievable before it can become eligible for citation by AI answer engines such as ChatGPT, Perplexity, Gemini, Google AI Overviews, and AI Mode. IndexBolt said that while most GEO advice focuses on content structure—such as clearer answers, headings, definitions, statistics, entity coverage, and topical authority—these practices only matter after discovery. A page that has not been discovered and indexed cannot be reliably retrieved, and a page that cannot be retrieved cannot be cited, earning no AI search visibility regardless of content quality. The company noted that in 2026, GEO has become one of the fastest-growing topics in search marketing because AI-powered answers influence how users discover information before clicking traditional organic results. AI Overviews and AI-powered search surfaces are especially visible across question-based, informational, and research-heavy searches. IndexBolt emphasized that the shift from ranking on a search results page to appearing in the answer itself increases the importance of indexing, as AI answer engines need access to retrievable content to cite sources.